diff --git a/build-support/factor.cmd b/build-support/factor.cmd
index c33bc4a430..d53c22c74c 100644
--- a/build-support/factor.cmd
+++ b/build-support/factor.cmd
@@ -1,96 +1,96 @@
-@echo off
-setlocal
-
-if "%1"=="/?" (
-    goto usage
-) else if "%1"=="" (
-    set _bootimage_version=latest
-) else if "%1"=="latest" (
-    set _bootimage_version=latest
-) else if "%1"=="clean" (
-    set _bootimage_version=clean
-) else goto usage
-
-if not exist Nmakefile goto wrongdir
-
-call cl 2>&1 | find "x86" >nul
-if not errorlevel 1 (
-    echo x86-32 cl.exe detected.
-    set _target=x86-32
-    set _bootimage=boot.windows-x86.32.image
-) else (
-    call cl 2>&1 | find "x64" >nul
-    if not errorlevel 1 (
-        echo x86-64 cl.exe detected.
-        set _target=x86-64
-        set _bootimage=boot.windows-x86.64.image
-    ) else goto nocl
-)
-
-: Fun syntax
-for /f %%x in ('git describe --all') do set GIT_DESCRIBE=%%x
-for /f %%y in ('git rev-parse HEAD') do call set GIT_ID=%%y
-
-set git_label=%GIT_DESCRIBE%-%GIT_ID%
-set version=0.98
-
-if %_bootimage_version%==clean (
-    set _git_branch=clean-windows-%_target%
-    set _bootimage_path=clean/windows-%_target%
-) else (
-    set _git_branch=master
-    set _bootimage_path=latest
-)
-
-echo Deleting staging images from temp/...
-del temp\staging.*.image
-
-echo Updating working copy from %_git_branch%...
-call git pull http://factorcode.org/git/factor.git %_git_branch%
-if errorlevel 1 goto fail
-
-echo Building vm...
-nmake /nologo /f Nmakefile clean
-if errorlevel 1 goto fail
-nmake /nologo /f Nmakefile %_target%
-if errorlevel 1 goto fail
-
-echo Fetching %_bootimage_version% boot image...
-cscript /nologo build-support\http-get.vbs http://downloads.factorcode.org/images/%_bootimage_path%/%_bootimage% %_bootimage%
-if errorlevel 1 goto fail
-
-echo Bootstrapping...
-.\factor.com -i=%_bootimage%
-if errorlevel 1 goto fail
-
-echo Copying fresh factor.image to factor.image.fresh.
-copy factor.image factor.image.fresh
-if errorlevel 1 goto fail
-
-echo Build complete.
-goto :EOF
-
-:fail
-echo Build failed.
-goto :EOF
-
-:wrongdir
-echo build-support\factor.cmd must be run from the root of the Factor source tree.
-goto :EOF
-
-:nocl
-echo Unable to detect cl.exe target platform.
-echo Make sure you're running within the Visual Studio or Windows SDK environment.
-goto :EOF
-
-:usage
-echo Usage: build-support\factor.cmd [latest/clean]
-echo     Updates the working copy, cleans and builds the vm using nmake,
-echo     fetches a boot image, and bootstraps factor.
-echo     If latest is specified, then the working copy is updated to the
-echo     upstream "master" branch and the boot image corresponding to the
-echo     most recent factor build is downloaded. This is the default.
-echo     If clean is specified, then the working copy is updated to the
-echo     upstream "clean-windows-*" branch corresponding to the current
-echo     platform and the corresponding boot image is downloaded.
-goto :EOF
+@echo off
+setlocal
+
+if "%1"=="/?" (
+    goto usage
+) else if "%1"=="" (
+    set _bootimage_version=latest
+) else if "%1"=="latest" (
+    set _bootimage_version=latest
+) else if "%1"=="clean" (
+    set _bootimage_version=clean
+) else goto usage
+
+if not exist Nmakefile goto wrongdir
+
+call cl 2>&1 | find "x86" >nul
+if not errorlevel 1 (
+    echo x86-32 cl.exe detected.
+    set _target=x86-32
+    set _bootimage=boot.windows-x86.32.image
+) else (
+    call cl 2>&1 | find "x64" >nul
+    if not errorlevel 1 (
+        echo x86-64 cl.exe detected.
+        set _target=x86-64
+        set _bootimage=boot.windows-x86.64.image
+    ) else goto nocl
+)
+
+: Fun syntax
+for /f %%x in ('git describe --all') do set GIT_DESCRIBE=%%x
+for /f %%y in ('git rev-parse HEAD') do set GIT_ID=%%y
+
+set git_label=%GIT_DESCRIBE%-%GIT_ID%
+set version=0.98
+
+if %_bootimage_version%==clean (
+    set _git_branch=clean-windows-%_target%
+    set _bootimage_path=clean/windows-%_target%
+) else (
+    set _git_branch=master
+    set _bootimage_path=latest
+)
+
+echo Deleting staging images from temp/...
+del temp\staging.*.image
+
+echo Updating working copy from %_git_branch%...
+call git pull http://factorcode.org/git/factor.git %_git_branch%
+if errorlevel 1 goto fail
+
+echo Building vm...
+nmake /nologo /f Nmakefile clean
+if errorlevel 1 goto fail
+nmake /nologo /f Nmakefile %_target%
+if errorlevel 1 goto fail
+
+echo Fetching %_bootimage_version% boot image...
+cscript /nologo build-support\http-get.vbs http://downloads.factorcode.org/images/%_bootimage_path%/%_bootimage% %_bootimage%
+if errorlevel 1 goto fail
+
+echo Bootstrapping...
+.\factor.com -i=%_bootimage%
+if errorlevel 1 goto fail
+
+echo Copying fresh factor.image to factor.image.fresh.
+copy factor.image factor.image.fresh
+if errorlevel 1 goto fail
+
+echo Build complete.
+goto :EOF
+
+:fail
+echo Build failed.
+goto :EOF
+
+:wrongdir
+echo build-support\factor.cmd must be run from the root of the Factor source tree.
+goto :EOF
+
+:nocl
+echo Unable to detect cl.exe target platform.
+echo Make sure you're running within the Visual Studio or Windows SDK environment.
+goto :EOF
+
+:usage
+echo Usage: build-support\factor.cmd [latest/clean]
+echo     Updates the working copy, cleans and builds the vm using nmake,
+echo     fetches a boot image, and bootstraps factor.
+echo     If latest is specified, then the working copy is updated to the
+echo     upstream "master" branch and the boot image corresponding to the
+echo     most recent factor build is downloaded. This is the default.
+echo     If clean is specified, then the working copy is updated to the
+echo     upstream "clean-windows-*" branch corresponding to the current
+echo     platform and the corresponding boot image is downloaded.
+goto :EOF