Core/Warden: Fix crash

src/server/game/Warden/Warden.cpp

@@ -223,6 +223,9 @@ std::string Warden::Penalty(WardenCheck* check /*= NULL*/)
 
 void WorldSession::HandleWardenDataOpcode(WorldPacket& recvData)
 {
+    if (!_warden)
+        return;
+
     _warden->DecryptData(recvData.contents(), recvData.size());
     uint8 opcode;
     recvData >> opcode;