fix instantiation of static zero uuid to work with new TR_INSTANCE makro

@@ -53,8 +53,10 @@ uuidClone(void * _this, void * _base)
 TR_INIT_IFACE(TR_Class, uuidCtor, uuidDtor, uuidClone);
 TR_CREATE_CLASS(TR_Uuid, NULL, TR_IF(TR_Class));
 
-TR_INSTANCE(TR_Uuid, TR_uuidZero) {
-	.uuid.value = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
-}};
+TR_INSTANCE(
+		TR_Uuid,
+		TR_uuidZero,
+		.uuid.value = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
+);
 
 // vim: set ts=4 sw=4: