Initialize logger at the beginning of program to avoid threading issues.

src/main.cpp

@@ -74,6 +74,7 @@ Q_IMPORT_PLUGIN(qico)
 #include <stdlib.h>
 #include "misc.h"
 #include "preferences.h"
+#include "logger.h"
 
 class MessagesCollector : public QObject
 {
@@ -143,6 +144,8 @@ QBtCommandLineParameters parseCommandLine();
 // Main
 int main(int argc, char *argv[])
 {
+    //Initialize logger singleton here to avoid threading issues
+    Logger::instance()->addMessage(QObject::tr("qBittorrent %1 started", "qBittorrent v3.2.0alpha started").arg(VERSION));
     // We must save it here because QApplication constructor may change it
     bool isOneArg = (argc == 2);