message: Fix up the number->string conversion of UID in single application instance
diff: #include <QDebug>
  #include <QX11Info>
  -#include <unistd.h> //for getlogin()
  +#include <unistd.h> //for getuid()
  LSingleApplication::LSingleApplication(int &argc, char **argv, QString appname) : QApplication(argc, argv){
  //Load the proper translation systems
  @@ -19,7 +19,7 @@ LSingleApplication::LSingleApplication(int &argc, char **argv, QString appname)
  if(appname!="lumina-desktop"){ cTrans = LUtils::LoadTranslation(this, appname); }//save the translator for later
  //Initialize a couple convenience internal variables
  cfile = QDir::tempPath()+"/.LSingleApp-%1-%2-%3";
  - QString username = QString(getuid());
  + QString username = QString::fromNumber(getuid());
  //For locking the process use the official process name - not the user input (no masking)
  appname = this->applicationName();
  cfile = cfile.arg( username, appname, QString::number(QX11Info::appScreen()) );
  