SELINUX: Fix build error.

Fix build error caused by a stale security/selinux/av_permissions.h in the $(src)
directory which will override a more recent version in $(obj) that is it
appears to strike only when building with a separate object directory.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/selinux/Makefile b/security/selinux/Makefile
index f013982..58d80f3 100644
--- a/security/selinux/Makefile
+++ b/security/selinux/Makefile
@@ -25,6 +25,6 @@
 quiet_cmd_flask = GEN     $(obj)/flask.h $(obj)/av_permissions.h
       cmd_flask = scripts/selinux/genheaders/genheaders $(obj)/flask.h $(obj)/av_permissions.h
 
-targets += flask.h
+targets += flask.h av_permissions.h
 $(obj)/flask.h: $(src)/include/classmap.h FORCE
 	$(call if_changed,flask)