[gnome-applets] stickynotes: fix small warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 591b2f8bd9223d03c846b912818a0fd0c9913faf
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Mar 26 15:19:24 2015 +0200

    stickynotes: fix small warning

 stickynotes/stickynotes_applet_callbacks.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/stickynotes/stickynotes_applet_callbacks.c b/stickynotes/stickynotes_applet_callbacks.c
index ae70da1..10a6484 100644
--- a/stickynotes/stickynotes_applet_callbacks.c
+++ b/stickynotes/stickynotes_applet_callbacks.c
@@ -76,7 +76,7 @@ stickynote_show_notes (gboolean visible)
 }
 
 static void
-stickynote_toggle_notes_visible ()
+stickynote_toggle_notes_visible (void)
 {
     stickynote_show_notes(!stickynotes->visible);
 }