switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index 05d1c2c..85bb44f 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2444,7 +2444,7 @@
 }
 EXPORT_SYMBOL(user_path_create);
 
-int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 {
 	int error = may_create(dir, dentry);