[Browser] Fixed two crashes relating to invalid data

apps/browser/NetController.cpp

@@ -85,11 +85,10 @@ void NetController::setData(QString address, QJsonObject server, ServerModel *mo
     model->setData(mi, server["passw"].toBool());
 
     mi = model->index(0, ServerData::PING);
+    
     // This *should* fix a crash when a port isn't returned by data.
     if(!address.contains(":"))
-	{
         address.append(":25565");
-	}
     QStringList addr = address.split(":");
     model->setData(mi, PingRakNetServer(addr[0].toLatin1().data(), addr[1].toUShort())); 
 }
@@ -229,6 +228,8 @@ void NetController::updateInfo()
     sd->players = map["players"].toInt();
     sd->maxPlayers = map["max_players"].toInt();
 
+    if(!sd->addr.contains(":")) 
+        sd->addr.append(":25565");
     QStringList addr = sd->addr.split(":");
     sd->ping = PingRakNetServer(addr[0].toLatin1(), addr[1].toUShort());
     if(sd->ping != PING_UNREACHABLE)

apps/browser/ServerInfoDialog.cpp

@@ -22,6 +22,8 @@ void ServerInfoDialog::refresh()
 {
     NetController::get()->updateInfo();
     ServerData *sd = NetController::get()->selectedServer();
+    if (sd)
+    {
         leAddr->setText(sd->addr);
         lblName->setText(sd->hostName);
         lblPing->setNum(sd->ping);
@@ -33,4 +35,5 @@ void ServerInfoDialog::refresh()
         listPlugins->addItems(NetController::get()->plugins());
 
         lblPlayers->setText(QString::number(players.size()) + " / " + QString::number(sd->maxPlayers));
+    }
 }