s/ifeq/ifneq/ to make the check for only Cocoa instead of non-Cocoa (fallout from bug 397834).

gfx/src/Makefile.in

@@ -94,7 +94,7 @@ EXTRA_DSO_LDOPTS = \
         $(MOZ_COMPONENT_LIBS) \
         $(NULL)
 
-ifeq (,$(filter cocoa,$(MOZ_WIDGET_TOOLKIT)))
+ifneq (,$(filter cocoa,$(MOZ_WIDGET_TOOLKIT)))
 EXTRA_DSO_LDOPTS += \
         $(TK_LIBS) \
         $(NULL)