Rules.mak: include KERNEL_HEADERS last, even there it is wrong

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Rules.mak

@@ -768,13 +768,14 @@ else
 	PTINC  :=
 endif
 CFLAGS += -I$(top_srcdir)libc/sysdeps/linux/common
-CFLAGS += -I$(KERNEL_HEADERS)
 
 #CFLAGS += -iwithprefix include-fixed -iwithprefix include
 $(eval $(call cache-output-var,CC_IPREFIX,$(CC) -print-file-name=include))
 CC_INC := -isystem $(dir $(CC_IPREFIX))include-fixed -isystem $(CC_IPREFIX)
 CFLAGS += $(CC_INC)
 
+CFLAGS += -I$(KERNEL_HEADERS)
+
 ifneq ($(DOASSERTS),y)
 CFLAGS+=-DNDEBUG
 endif