.gitmodules in hamlit-2.2.0 vs .gitmodules in hamlit-2.2.1

@@ -1,3 +1,3 @@
 [submodule "ext/hamlit/houdini"]
 	path = ext/hamlit/houdini
-	url = https://github.com/vmg/houdini
+	url = https://github.com/k0kubun/houdini