minor hotfix bootstrap

sails/src/assets/scripts/modules/supervisor/views/supervisors_list.html

@@ -11,7 +11,7 @@
       <div class="col-xs-4">
       <div class="col-xs-4">
         <div class=" input-group">
         <div class=" input-group">
           <input type="text" ng-model="search_sups" id="search_sups" placeholder="{{ 'filter' | translate }}" class="form-control" aria-describedby="basic-addon2">
           <input type="text" ng-model="search_sups" id="search_sups" placeholder="{{ 'filter' | translate }}" class="form-control" aria-describedby="basic-addon2">
-          <span class="input-group-addon glyphicon glyphicon-search" id="basic-addon2" aria-hidden="true"></span>
+          <span class="input-group-addon"><span class="glyphicon glyphicon-search" id="basic-addon2" aria-hidden="true"></span></span>
         </div>
         </div>
       </div>
       </div>
     </div>
     </div>