LinkHTMLProperty wasn't translating menus

Gabor Kmetyko reported that the Priority and Status dropdowns weren't being
translated. It appears that LinkHTMLProperty wasn't calling self._() on the
labels. (Although MultiLinkHTMLProperty was.)

This should [SF#793837].

Author: Justus Pendleton

roundup/cgi/templating.py

@@ -1895,7 +1895,7 @@ def menu(self, size=None, height=None, showid=0, additional=[], value=None,
                 lab = lab + ' (%s)'%', '.join(map(str, m))
 
             # and generate
-            lab = cgi.escape(lab)
+            lab = cgi.escape(self._(lab))
             l.append('<option %svalue="%s">%s</option>'%(s, optionid, lab))
         l.append('</select>')
         return '\n'.join(l)