[gtk/wip/exalm/test: 19/37] tests: Fix testgmenu

[Alexander Mikhaylenko <alexm src gnome org>]

commit 99704248b79602fea692488d4222a806a85ef603
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon May 11 04:58:36 2020 +0500

    tests: Fix testgmenu
    
    GtkMenuButton isn't a GtkButton anymore.

 tests/testgmenu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tests/testgmenu.c b/tests/testgmenu.c
index f435560967..d4a342c3d1 100644
--- a/tests/testgmenu.c
+++ b/tests/testgmenu.c
@@ -685,7 +685,7 @@ main (int argc, char *argv[])
   else
     {
       button = gtk_menu_button_new ();
-      gtk_button_set_label (GTK_BUTTON (button), "Click here");
+      gtk_menu_button_set_label (GTK_MENU_BUTTON (button), "Click here");
       gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (button), model);
       gtk_widget_insert_action_group (button, "actions", group);
       gtk_container_add (GTK_CONTAINER (box), button);