fix JavaScript error on IE7 (#13811)

Contributed by Adrian Wilkins.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11728 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/javascripts/application.js

@@ -462,7 +462,7 @@ function observeAutocompleteField(fieldId, url, options) {
       source: url,
       minLength: 2,
       search: function(){$('#'+fieldId).addClass('ajax-loading');},
-      response: function(){$('#'+fieldId).removeClass('ajax-loading');},
+      response: function(){$('#'+fieldId).removeClass('ajax-loading');}
     }, options));
     $('#'+fieldId).addClass('autocomplete');
   });