configfs: convert to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 3081c58..34025df 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -124,7 +124,7 @@
 struct configfs_attribute {
 	const char		*ca_name;
 	struct module 		*ca_owner;
-	mode_t			ca_mode;
+	umode_t			ca_mode;
 };
 
 /*