Bootstrap fixes

library/compiler/alien/objc/subclassing.factor

@@ -66,7 +66,7 @@ libc math namespaces sequences strings words ;
 
 : struct-return ( ret types quot -- ret types quot )
     pick c-struct? [
-        pick c-size [ memcpy (pre-stret) ] curry append
+        pick c-size [ memcpy ] curry append
         >r { "void*" } swap append >r drop "void" r> r>
     ] when ;
 

library/compiler/x86/objc.factor

@@ -1,6 +1,7 @@
 ! Copyright (C) 2006 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 IN: objc
+USING: assembler compiler ;
 
 ! In their infinite wisdom, Apple's struct-returning Objective C
 ! messages do not use their own documented ABI; instead they