Changed the MainWindow icon to a higher resolution for better look & feel, when the logo is displayed on the Taskbar, same for the im status icons.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7653 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/MainWindow.cpp

@@ -209,7 +209,7 @@ MainWindow::MainWindow(QWidget* parent, Qt::WindowFlags flags)
     QDesktopServices::setUrlHandler("https", this, "externalLinkActivated");
 
     // Setting icons
-    this->setWindowIcon(QIcon(QString::fromUtf8(":/images/logo/logo_16.png")));
+    this->setWindowIcon(QIcon(QString::fromUtf8(":/images/logo/logo_32.png")));
 
     /* Create all the dialogs of which we only want one instance */
     _bandwidthGraph = new BandwidthGraph();