Added search clear functionality to filtering

Change-Id: Id22b067c8bcc0e05aee6325153154ea7a81f17ae
Signed-off-by: Iftekharul Islam <iislam@us.ibm.com>
diff --git a/app/common/directives/log-search-control.html b/app/common/directives/log-search-control.html
index 0e4136e..5d2246c 100644
--- a/app/common/directives/log-search-control.html
+++ b/app/common/directives/log-search-control.html
@@ -3,7 +3,7 @@
     <label for="content__search-input">Event Log Search</label>
     <input id="content__search-input" type="text" ng-model="customSearch" ng-keydown="doSearchOnEnter($event)"/>
     <div class="search-submit__wrapper">
-		<button class="clear-input" ng-click="customSearch = ''">&#10005;</button>
+		<button class="clear-input" ng-click="clear()">&#10005;</button>
         <input id="content__search-submit" type="submit" class="btn btn-primary content__search-submit" value="Filter" ng-click="doSearchOnClick()"/>
     </div>
 </div>
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