xfs: switch to proper __bitwise type for KM_... flags

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index cdf896f..fdf3245 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -584,7 +584,7 @@
 _xfs_trans_alloc(
 	xfs_mount_t	*mp,
 	uint		type,
-	uint		memflags)
+	xfs_km_flags_t	memflags)
 {
 	xfs_trans_t	*tp;