CallActionBar: clear warning

Change-Id: Ie997fe42dd5f00a9e63a89ed39dd203dd129d1f6

src/mainview/components/CallActionBar.qml

@@ -302,7 +302,7 @@ Control {
             text: !checked ? JamiStrings.startRec : JamiStrings.stopRec
             property bool blinksWhenChecked: true
             property real size: 28
-            onCheckedChanged: {
+            onCheckedChanged: function(checked) {
                 CallOverlayModel.setUrgentCount(recordAction,
                                                 checked ? -1 : 0)
             }