switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index f332878..d9aec2f 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -769,7 +769,7 @@
 }
 
 static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
-		       int mode, dev_t rdev)
+		       umode_t mode, dev_t rdev)
 {
 	struct inode *inode;
 	struct ubifs_inode *ui;