.gitignore: ignore apparmor/rlim_names.h

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <jmorris@namei.org>

security/apparmor/.gitignore

@@ -3,3 +3,4 @@
 #
 af_names.h
 capability_names.h
+rlim_names.h