fixed some warnings

server/main.cpp

@@ -602,7 +602,7 @@ HRESULT LoadConfigsFromFile(const std::string& filename, std::vector<StartupArgs
             configurations.push_back(args);
         }
     }
-    catch(ptree_error ex1)
+    catch(ptree_error& ex1)
     {
         Logging::LogMsg(LL_ALWAYS, "Error processing configuration file: %s", ex1.what());
         error = true;

server/tcpserver.cpp

@@ -53,13 +53,13 @@ void CTCPStunThread::Reset()
     
     _fListenSocketsOnEpoll = false;
     
-    memset(&_tsaListen, '\0', sizeof(_tsaListen));
+    _tsaListen = {};
     
     _fNeedToExit = false;
     _spAuth.ReleaseAndClear();
     _role = RolePP;
     
-    memset(&_tsa, '\0', sizeof(_tsa));
+    _tsa = {};
     
     _maxConnections = c_MaxNumberOfConnectionsDefault;