Codechange: use string/fmt instead of printf for squirrel's PRINTFUNC

src/script/script_instance.cpp

@@ -44,10 +44,10 @@ ScriptStorage::~ScriptStorage()
  * @param error_msg Is this an error message?
  * @param message The actual message text.
  */
-static void PrintFunc(bool error_msg, const SQChar *message)
+static void PrintFunc(bool error_msg, const std::string &message)
 {
 	/* Convert to OpenTTD internal capable string */
-	ScriptController::Print(error_msg, message);
+	ScriptController::Print(error_msg, message.c_str());
 }
 
 ScriptInstance::ScriptInstance(const char *APIName) :