Reduced xdg_wm_base protocol version to 1 in order to run under Weston

This was done purely for convenience. The version can be bumped back up
at any time, but the change will require a more recent version
of Weston for testing.

Author: mkartashev

src/java.desktop/unix/native/libawt_wlawt/WLToolkit.c

@@ -67,7 +67,7 @@ static void registry_global(void *data, struct wl_registry *wl_registry,
     } else if (strcmp(interface, wl_compositor_interface.name) == 0) {
         wl_compositor = wl_registry_bind(wl_registry, name, &wl_compositor_interface, 4);
     } else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
-        xdg_wm_base = wl_registry_bind(wl_registry, name, &xdg_wm_base_interface, 3);
+        xdg_wm_base = wl_registry_bind(wl_registry, name, &xdg_wm_base_interface, 1);
         xdg_wm_base_add_listener(xdg_wm_base, &xdg_wm_base_listener, NULL);
     }
 }