[gnome-multi-writer] Use icon name in the about dialog

[Cosimo Cecchi <cosimoc src gnome org>]

commit 2d7a78cfa6a40ec8d73be218de35cdd5cdaf68f4
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Jan 18 21:35:54 2015 -0800

    Use icon name in the about dialog

 src/gmw-main.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/src/gmw-main.c b/src/gmw-main.c
index 8fd7239..c328526 100644
--- a/src/gmw-main.c
+++ b/src/gmw-main.c
@@ -1161,18 +1161,14 @@ gmw_about_activated_cb (GSimpleAction *action, GVariant *parameter, gpointer use
 {
        GmwPrivate *priv = (GmwPrivate *) user_data;
        GList *windows;
-       GtkIconTheme *icon_theme;
        GtkWindow *parent = NULL;
        const gchar *authors[] = { "Richard Hughes", NULL };
        const gchar *copyright = "Copyright \xc2\xa9 2014-2015 Richard Hughes";
-       _cleanup_object_unref_ GdkPixbuf *logo = NULL;
 
        windows = gtk_application_get_windows (GTK_APPLICATION (priv->application));
        if (windows)
                parent = windows->data;
 
-       icon_theme = gtk_icon_theme_get_default ();
-       logo = gtk_icon_theme_load_icon (icon_theme, "gnome-multi-writer", 256, 0, NULL);
        gtk_show_about_dialog (parent,
                               /* TRANSLATORS: the title of the about window */
                               "title", _("About GNOME MultiWriter"),
@@ -1183,7 +1179,7 @@ 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", logo,
+                              "logo-icon-name", "gnome-multi-writer",
                               /* TRANSLATORS: you can put your name here :) */
                               "translator-credits", _("translator-credits"),
                               "version", VERSION,