selinux: selinux/netlabel.c should #include "netlabel.h"

Every file should include the headers containing the externs for its
global code.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>

security/selinux/netlabel.c

@@ -34,6 +34,7 @@
 
 #include "objsec.h"
 #include "security.h"
+#include "netlabel.h"
 
 /**
  * selinux_netlbl_sidlookup_cached - Cache a SID lookup