Bug 432938 - Use GTK stock icon for netError favicon instead of Windows icon

r=gavin

browser/themes/gnomestripe/browser/jar.mn

@@ -1,5 +1,6 @@
 classic.jar:
 % skin browser classic/1.0 %skin/classic/browser/
+% override chrome://global/skin/icons/warning-16.png moz-icon://stock/gtk-dialog-warning?size=menu
 * skin/classic/browser/aboutPrivateBrowsing.css             (aboutPrivateBrowsing.css)
 * skin/classic/browser/aboutSessionRestore.css        (aboutSessionRestore.css)
   skin/classic/browser/aboutCertError.css             (aboutCertError.css)