init compositor manager in ServerStartup

src/kernel/init-lite.c

@@ -563,16 +563,6 @@ int InitGUI (int argc, const char* agr[])
 
     mg_TerminateMgEtc ();
 
-#ifdef _MGSCHEMA_COMPOSITING
-    if (_is_server) {
-        if (!mg_InitCompositor ()) {
-            err_message (step, "Can not initialize compositor!");
-            return step;
-        }
-        atexit (mg_TerminateCompositor);
-    }
-#endif
-
     return 0;
 }
 

src/server/server.c

@@ -302,6 +302,14 @@ BOOL GUIAPI ServerStartup (int nr_globals,
 
     __mg_screensaver_create();
 
+#ifdef _MGSCHEMA_COMPOSITING
+    if (!mg_InitCompositor ()) {
+        _ERR_PRINTF ("Can not initialize compositor!");
+        goto fail;
+    }
+    atexit (mg_TerminateCompositor);
+#endif
+
     return TRUE;
 
 fail: