[FIX] do not consider empty domains as domains (ignore them) in FilterGroup domain management

lp bug: https://launchpad.net/bugs/854704 fixed

bzr revid: xmo@openerp.com-20110920134607-lz8d8r4ojbrgihd7

addons/web/static/src/js/search.js

@@ -543,7 +543,7 @@ openerp.web.search.FilterGroup = openerp.web.search.Input.extend(/** @lends open
         var domains = _(this.filters).chain()
             .filter(function (filter) { return filter.is_enabled(); })
             .map(function (filter) { return filter.attrs.domain; })
-            .compact()
+            .reject(_.isEmpty)
             .value();
 
         if (!domains.length) { return; }