removed nTimeout variable

Change-Id: Ibc5bf2b0be58e8fa81d3cdf1ba2a39503b059f1a
Reviewed-on: https://gerrit.libreoffice.org/12262Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

slideshow/test/demoshow.cxx

@@ -469,10 +469,7 @@ IMPL_LINK_NOARG(DemoWindow, updateHdl)
     init();
 
     if( mxShow.is() )
-    {
-        double nTimeout;
-        mxShow->update(nTimeout);
-    }
+        mxShow->update(0);
     return 0;
 }