truncate name if longer than 10 chars

OpenRA.Game/Server/Server.cs

@@ -271,6 +271,11 @@ namespace OpenRA.Server
 							return true;
 						}
 						
+						if (s.Length > 10)
+						{
+							s = s.Substring(0,10);
+						}
+
 						Console.WriteLine("Player@{0} is now known as {1}", conn.socket.RemoteEndPoint, s);
 						GetClient(conn).Name = s;
 						SyncLobbyInfo();