um: prevent user code in modules

By not doing the user code cflags mangling we can simply
break the build for any user code sneaking into modules.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/scripts/Makefile.rules

@@ -4,8 +4,8 @@
 # ===========================================================================
 
 USER_SINGLE_OBJS := \
-	$(foreach f,$(patsubst %.o,%,$(obj-y) $(obj-m)),$($(f)-objs))
-USER_OBJS += $(filter %_user.o,$(obj-y) $(obj-m)  $(USER_SINGLE_OBJS))
+	$(foreach f,$(patsubst %.o,%,$(obj-y)),$($(f)-objs))
+USER_OBJS += $(filter %_user.o,$(obj-y) $(USER_SINGLE_OBJS))
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
 $(USER_OBJS:.o=.%): \