gfio: kill ge on widget destroy

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gfio.c b/gfio.c
index 63eec5b..b1e9b5f 100644
--- a/gfio.c
+++ b/gfio.c
@@ -1746,6 +1746,9 @@
 
 static void ge_widget_destroy(GtkWidget *w, gpointer data)
 {
+	struct gui_entry *ge = (struct gui_entry *) data;
+
+	ge_destroy(ge);
 }
 
 static void gfio_quit(struct gui *ui)