Fixed logic error for showing QUIT message

IdealIRC/IRC.cpp

@@ -241,7 +241,7 @@ void IRC::onMsgQuit(const IRCPrefix& sender, const std::string& message, const s
 		if (!ignoreVerbosity(Command::IRC::QUIT)) {
 			std::string msg;
 
-			if (message.empty())
+			if (!message.empty())
 				msg = fmt::format("Quit: {} ({}@{}) ({})", sender.nickname(), sender.user(), sender.host(), message);
 			else
 				msg = fmt::format("Quit: {} ({}@{})", sender.nickname(), sender.user(), sender.host());