autofs4: propagate umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 8179f1a..f799efa 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -326,7 +326,7 @@
 	return -EINVAL;
 }
 
-struct inode *autofs4_get_inode(struct super_block *sb, mode_t mode)
+struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode)
 {
 	struct inode *inode = new_inode(sb);