[gnome-multi-writer] Fix the icon in the about dialog

[Richard Hughes <rhughes src gnome org>]

commit dc625da819d059b833efba9dfdc3a9060261be90
Author: Laurent Bigonville <bigon bigon be>
Date:   Sun Oct 7 09:28:27 2018 +0000

    Fix the icon in the about dialog

 src/gmw-main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gmw-main.c b/src/gmw-main.c
index 3f4d04e..7009193 100644
--- a/src/gmw-main.c
+++ b/src/gmw-main.c
@@ -1260,7 +1260,7 @@ gmw_about_activated_cb (GSimpleAction *action, GVariant *parameter, gpointer use
                               "comments", _("Write an ISO file to multiple USB devices at once"),
                               "copyright", copyright,
                               "license-type", GTK_LICENSE_GPL_2_0,
-                              "logo-icon-name", "gnome-multi-writer",
+                              "logo-icon-name", "org.gnome.MultiWriter",
                               /* TRANSLATORS: you can put your name here :) */
                               "translator-credits", _("translator-credits"),
                               "version", VERSION,