fix crash in xdg-menu (#799663)

xdg-menu

@@ -52,21 +52,24 @@ def icon_attr(entry):
 			return ' icon="' + iconfile + '"'
 	return ''
 
+def escape_utf8(s):
+	return escape(s.encode('utf-8', 'xmlcharrefreplace'))
+
 def entry_name(entry):
-	return escape(entry.getName().encode('utf-8', 'xmlcharrefreplace'))
+	return escape_utf8(entry.getName())
 
 def walk_menu(entry):
 	if isinstance(entry, xdg.Menu.Menu) and entry.Show is True:
 		print '<menu id="%s" label="%s"%s>' \
 			% (entry_name(entry),
 			entry_name(entry),
-			escape(icon_attr(entry)))
+			escape_utf8(icon_attr(entry)))
 		map(walk_menu, entry.getEntries())
 		print '</menu>'
 	elif isinstance(entry, xdg.Menu.MenuEntry) and entry.Show is True:
 		print '	<item label="%s"%s>' % \
 			(entry_name(entry.DesktopEntry).replace('"', ''),
-			escape(icon_attr(entry.DesktopEntry)))
+			escape_utf8(icon_attr(entry.DesktopEntry)))
 		command = re.sub(' -caption "%c"| -caption %c', ' -caption "%s"' % entry_name(entry.DesktopEntry), entry.DesktopEntry.getExec())
 		command = re.sub(' [^ ]*%[fFuUdDnNickvm]', '', command)
 		if entry.DesktopEntry.getTerminal():