Fixed error message for script function unixts() if it's given wrong parameter count

ScriptFunctions/ScriptGeneralUtils.cpp

@@ -152,7 +152,7 @@ ValueHolder context(Script&, std::vector<ValueHolder>& args)
 ValueHolder unixts(Script&, std::vector<ValueHolder>& args)
 {
 	if (args.empty())
-		throwInsufficientParameters("unixts", args.size(), 0);
+		throwInsufficientParameters("unixts", args.size(), 1);
 
 	qint64 ts = ValueExtract(args[0]).toInt();
 	auto datetime = QDateTime::fromSecsSinceEpoch(ts);