FreeBSD build fix

TODO.FACTOR.txt

@@ -3,11 +3,10 @@
 - windows port from erg
 - why aren't some cocoa words compiled?
 - editor:
-  - delegation issue with fields and interactors
   - multi-line inserts
   - scroll to caret
   - only redraw visible lines
-  - bug after removing all lines
+  - clicking input doesn't resize editor gadget
   - word-at-a-time commands
   - deleting words, lines
   - better listener multi-line expression handling

vm/Config.freebsd

@@ -1,4 +1,4 @@
 include vm/Config.unix
 PLAF_OBJS += vm/os-genunix.o
 CFLAGS += -export-dynamic -pthread
-LIBS = -ldl -lm $(X11_UI_LIBS)
+LIBS = -lm $(X11_UI_LIBS)