add separation between chat time and border

bigbluebutton-client/src/org/bigbluebutton/modules/chat/views/ChatMessageRenderer.mxml

@@ -82,7 +82,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
     <mx:Label id="lblName" text="{data.name}" visible="true" color="gray" textAlign="left" left="0"/>
     <mx:Text id="lblTime" htmlText="{data.time}" textAlign="right"
              visible="true" 
-             color="gray" right="0" />       
+             color="gray" right="4" />
   </mx:Canvas>
   <mx:Text id="txtMessage" htmlText="{data.text}" link="onLinkClick(event)" color="{data.senderColor}"
            keyDown="onKeyDown(event)" paddingLeft="5" width="100%" selectable="true"/>