gfio: fix double alloc of action_group

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gfio.c b/gfio.c
index cbedaa2..5a0b6d3 100644
--- a/gfio.c
+++ b/gfio.c
@@ -2606,7 +2606,7 @@
 static GtkWidget *get_menubar_menu(GtkWidget *window, GtkUIManager *ui_manager,
 				   struct gui *ui)
 {
-	GtkActionGroup *action_group = gtk_action_group_new("Menu");
+	GtkActionGroup *action_group;
 	GError *error = 0;
 
 	action_group = gtk_action_group_new("Menu");