Bring system icon into XDG compliance

(cherry picked from commit 101ee03b61)

kbarcode/dsmainwindow.cpp

@@ -95,7 +95,7 @@ void DSMainWindow::setupActions()
     hlpMenu->insertSeparator(3);
     hlpMenu->insertItem( i18n("&Donate..."), this, TQT_SLOT( donations() ), 0, -1, 4 );
     hlpMenu->insertSeparator(5);
-    hlpMenu->insertItem( SmallIconSet("system"), i18n("&System Check..."), this, TQT_SLOT(showCheck() ), 0, -1, 6 );
+    hlpMenu->insertItem( SmallIconSet("computer"), i18n("&System Check..."), this, TQT_SLOT(showCheck() ), 0, -1, 6 );
     menuBar()->insertItem( i18n("&File"), file );
     menuBar()->insertItem( i18n("&Settings"), settings );
     menuBar()->insertItem( i18n("&Help"), hlpMenu );