switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index aadf792..ea4edf5 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1143,7 +1143,7 @@
  *
  */
 
-static int gfs2_mknod(struct inode *dir, struct dentry *dentry, int mode,
+static int gfs2_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
 		      dev_t dev)
 {
 	return gfs2_create_inode(dir, dentry, mode, dev, NULL, 0, 0);