Chat messages are now working.

src/session.cpp

@@ -185,12 +185,12 @@ void Session::terminateNetworkServer()
 void Session::sendClientPlayerAction()
 {
 	if (!myNetClient)
-		return;
+		return; // only act if client is running.
 	myNetClient->SendPlayerAction();
 }
 
-void Session::sendChatMessage(std::string message) {
-	
-	//hi lothar --> zum testen schick ich es gleich wieder zurück an die gui. wie du siehst klappt es ;-) 
-	 myGui->chatAppendMsg(message);
+void Session::sendChatMessage(const std::string &message) {
+	if (!myNetClient)
+		return; // only act if client is running.
+	myNetClient->SendChatMessage(message);
 }