AIO sparse fix (type of ki_flags)

Fix type issue reported by latest 'sparse': kiocb.ki_flags should be
"unsigned long" (not "long"), to match bitop type signature.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/aio.h

@@ -86,7 +86,7 @@ struct kioctx;
  */
 struct kiocb {
 	struct list_head	ki_run_list;
-	long			ki_flags;
+	unsigned long		ki_flags;
 	int			ki_users;
 	unsigned		ki_key;		/* id of this request */