[gtksourceview] MarkAttributes: fix warning

[Sébastien Wilmet <swilmet src gnome org>]

commit fddedc42400a0f42b30c356dffccb2342c8a48ba
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 9 17:24:54 2015 +0200

    MarkAttributes: fix warning

 gtksourceview/gtksourcemarkattributes.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourcemarkattributes.c b/gtksourceview/gtksourcemarkattributes.c
index 6111321..1214726 100644
--- a/gtksourceview/gtksourcemarkattributes.c
+++ b/gtksourceview/gtksourcemarkattributes.c
@@ -402,7 +402,7 @@ gtk_source_mark_attributes_init (GtkSourceMarkAttributes *self)
  * Returns: (transfer full): a new source mark attributes.
  */
 GtkSourceMarkAttributes *
-gtk_source_mark_attributes_new ()
+gtk_source_mark_attributes_new (void)
 {
        return g_object_new (GTK_SOURCE_TYPE_MARK_ATTRIBUTES, NULL);
 }