modules: Add missing run time module support levels.

Change-Id: I29b9dbfa4bbfc49f21eba356858e38b1d3041824

tests/test_endpoints.c

@@ -151,6 +151,7 @@ static int load_module(void)
 }
 
 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Endpoint testing",
+	.support_level = AST_MODULE_SUPPORT_CORE,
 	.load = load_module,
 	.unload = unload_module,
 );