Patch for MATE Power Manager 1.8.0 to fix an empty backlight adjustment popup dialog

1003_fix-backlight-popup.patch

From: Nachanon Vetjasit <nachanon@users.noreply.github.com>
Subject: Fix nonexistent GTKBuilder object request in media keys popup window
Bug: https://github.com/mate-desktop/mate-power-manager/issues/110

--- a/src/gsd-media-keys-window.c
+++ b/src/gsd-media-keys-window.c
@@ -691,8 +691,8 @@
 
         if (!msd_osd_window_is_composited (MSD_OSD_WINDOW (window))) {
                 GtkBuilder *builder;
-                const gchar *objects[] = {"acme_box", NULL};
-                GtkWidget *box;
+                const gchar *objects[] = {"acme_frame", NULL};
+                GtkWidget *frame;
 
                 builder = gtk_builder_new ();
                 gtk_builder_add_objects_from_file (builder,
@@ -702,11 +702,11 @@
 
                 window->priv->image = GTK_IMAGE (gtk_builder_get_object (builder, "acme_image"));
                 window->priv->progress = GTK_WIDGET (gtk_builder_get_object (builder, "acme_volume_progressbar"));
-                box = GTK_WIDGET (gtk_builder_get_object (builder, "acme_box"));
+                frame = GTK_WIDGET (gtk_builder_get_object (builder, "acme_frame"));
 
-                if (box != NULL) {
-                        gtk_container_add (GTK_CONTAINER (window), box);
-                        gtk_widget_show_all (box);
+                if (frame != NULL) {
+                        gtk_container_add (GTK_CONTAINER (window), frame);
+                        gtk_widget_show_all (frame);
                 }
 
                 /* The builder needs to stay alive until the window