ipc: change kern_ipc_perm.deleted type to bool

struct kern_ipc_perm.deleted is meant to be used as a boolean toggle, and
the changes introduced by this patch are just to make the case explicit.

Signed-off-by: Rafael Aquini <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Cc: Greg Thelen <[email protected]>
Acked-by: Davidlohr Bueso <[email protected]>
Cc: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 8d861b2..9d84942 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -11,7 +11,7 @@
 struct kern_ipc_perm
 {
 	spinlock_t	lock;
-	int		deleted;
+	bool		deleted;
 	int		id;
 	key_t		key;
 	kuid_t		uid;