Ensure that splash screen is raosed to the top after startup

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7029 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

main.cpp

@@ -331,6 +331,7 @@ int main(int argc, char *argv[])
           // run the application UI
           MainWindow w(temp_dir, multiple, &multi_settings, &mem_jt9, downSampleFactor, new QNetworkAccessManager {&a}, &splash);
           w.show();
+          splash.raise ();
           QObject::connect (&a, SIGNAL (lastWindowClosed()), &a, SLOT (quit()));
           result = a.exec();
         }