Fix logfile option in servatrice.ini

servatrice was using hardcocded filename “server.log” even if a custom
value was specified

servatrice/src/main.cpp

@@ -173,7 +173,7 @@ int main(int argc, char *argv[])
 	logger->moveToThread(loggerThread);
 	
 	loggerThread->start();
-	QMetaObject::invokeMethod(logger, "startLog", Qt::BlockingQueuedConnection, Q_ARG(QString, settingsCache->value("server/logfile").toString()));
+	QMetaObject::invokeMethod(logger, "startLog", Qt::BlockingQueuedConnection, Q_ARG(QString, settingsCache->value("server/logfile", QString("server.log")).toString()));
 
 #if QT_VERSION < 0x050000
 	if (logToConsole)

servatrice/src/server_logger.cpp

@@ -26,7 +26,7 @@ ServerLogger::~ServerLogger()
 void ServerLogger::startLog(const QString &logFileName)
 {
     if (!logFileName.isEmpty()) {
-        logFile = new QFile("server.log", this);
+        logFile = new QFile(logFileName, this);
         logFile->open(QIODevice::Append);
 #ifdef Q_OS_UNIX
         ::socketpair(AF_UNIX, SOCK_STREAM, 0, sigHupFD);