move config.mak inclusion later in the file so we pick up proper REQUIRES

(bustage fix)

editor/composer/src/makefile.win

@@ -21,7 +21,6 @@
 
 DEPTH=..\..\..
 
-include <$(DEPTH)/config/config.mak>
 
 LIBRARY_NAME=composer
 
@@ -76,6 +75,8 @@ REQUIRES    = xpcom \
               content_xul \
               $(NULL)
 
+include <$(DEPTH)/config/config.mak>
+
 MAKE_OBJ_TYPE = DLL
 DLLNAME = composer
 DLL=.\$(OBJDIR)\$(DLLNAME).dll