Fix issue #284 - Regression: "Modify query" link no longer functions.

* lib/viewvc.py
  (view_query): Restore a queryform_href calculation incorrect
    abstracted out (probably by me).


git-svn-id: http://viewvc.tigris.org/svn/viewvc/trunk@1520 8cb11bc2-c004-0410-86c3-e597b4017df7

lib/viewvc.py

@@ -3562,6 +3562,7 @@ def view_query(request):
   data.update({
     'sql': sql,
     'english_query': english_query(request),
+    'queryform_href': request.get_url(view_func=view_queryform, escape=1),
     'backout_href': backout_href,
     'plus_count': plus_count,
     'minus_count': minus_count,