Fixed that autocomplete results are not reset after clearing search field (#11909).

Contributed by Jongwook Choi.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10527 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/javascripts/application.js

@@ -496,7 +496,6 @@ function observeSearchfield(fieldId, targetId, url) {
       var val = $this.val();
       if ($this.attr('data-value-was') != val){
         $this.attr('data-value-was', val);
-        if (val != '') {
         $.ajax({
           url: url,
           type: 'get',
@@ -506,7 +505,6 @@ function observeSearchfield(fieldId, targetId, url) {
           complete: function(){ $this.removeClass('ajax-loading'); }
         });
       }
-      }
     };
     var reset = function() {
       if (timer) {