[PATCH] sync_file_range(): use unsigned for flags

Ulrich suggested that the `flags' arg to sync_file_range() become unsigned.

Cc: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/syscalls.h

@@ -572,6 +572,6 @@ asmlinkage long sys_unshare(unsigned long unshare_flags);
 asmlinkage long sys_splice(int fdin, int fdout, size_t len,
 				unsigned int flags);
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
-					int flags);
+					unsigned int flags);
 
 #endif