fs/namespace.c should #include "internal.h"

Every file should include the headers containing the prototypes for
its global functions.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/namespace.c

@@ -28,6 +28,7 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include "pnode.h"
+#include "internal.h"
 
 /* spinlock for vfsmount related operations, inplace of dcache_lock */
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(vfsmount_lock);