compositor: Convert weston-debug framework to use weston_debug_compositor

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
diff --git a/xwayland/launcher.c b/xwayland/launcher.c
index d71be14..f406df0 100644
--- a/xwayland/launcher.c
+++ b/xwayland/launcher.c
@@ -394,10 +394,11 @@
 	wxs->destroy_listener.notify = weston_xserver_destroy;
 	wl_signal_add(&compositor->destroy_signal, &wxs->destroy_listener);
 
-	wxs->wm_debug = weston_compositor_add_debug_scope(wxs->compositor,
-			"xwm-wm-x11",
-			"XWM's window management X11 events\n",
-			NULL, NULL);
+	wxs->wm_debug =
+		weston_compositor_add_debug_scope(wxs->compositor->weston_debug,
+						  "xwm-wm-x11",
+						  "XWM's window management X11 events\n",
+						  NULL, NULL);
 
 	return 0;
 }