[gtk: 59/60] add a missing comma

[Matthias Clasen <matthiasc src gnome org>]

commit cbd3158d9139d7e4e18af40ce158f729b51f86fc
Author: Ahmed Eldemery <aeldemery de gmail com>
Date:   Sat Sep 5 13:49:01 2020 +0200

    add a missing comma

 demos/gtk-demo/layoutmanager2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/demos/gtk-demo/layoutmanager2.c b/demos/gtk-demo/layoutmanager2.c
index c6bccdcc0a..8d17f2a47d 100644
--- a/demos/gtk-demo/layoutmanager2.c
+++ b/demos/gtk-demo/layoutmanager2.c
@@ -115,7 +115,7 @@ do_layoutmanager2 (GtkWidget *parent)
         "media-playback-pause-symbolic",
         "media-playback-start-symbolic",
         "media-playback-stop-symbolic",
-        "media-record-symbolic"
+        "media-record-symbolic",
         "media-seek-backward-symbolic",
         "media-seek-forward-symbolic",
         "media-skip-backward-symbolic",