Fix typo in xmpp multicast route processing code
Fix typo in xmpp multicast route processing code

This bug got introduced during cpplint cleanup.
Not sure how/why bgp_xmpp_mcast_test continued to pass in CI.

Change-Id: Ie052c9003291d8029869547935009fed4193e048
Closes-Bug: 1406664

nischalsheth/contrail-controller,srajag/contrail-controller,vpramo/contrail-controller,eonpatapon/contrail-controller,vpramo/contrail-controller,cloudwatt/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller,facetothefate/contrail-controller,DreamLab/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,vpramo/contrail-controller,hthompson6/contrail-controller,DreamLab/contrail-controller,eonpatapon/contrail-controller,facetothefate/contrail-controller,srajag/contrail-controller,cloudwatt/contrail-controller,facetothefate/contrail-controller,nischalsheth/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,hthompson6/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,sajuptpm/contrail-controller,DreamLab/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,vmahuli/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,srajag/contrail-controller,vmahuli/contrail-controller,DreamLab/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,numansiddique/contrail-controller,numansiddique/contrail-controller,facetothefate/contrail-controller,vmahuli/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,sajuptpm/contrail-controller,reiaaoyama/contrail-controller,codilime/contrail-controller,vmahuli/contrail-controller,numansiddique/contrail-controller,vmahuli/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,hthompson6/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,srajag/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,srajag/contrail-controller,cloudwatt/contrail-controller,cloudwatt/contrail-controller,eonpatapon/contrail-controller,cloudwatt/contrail-controller,hthompson6/contrail-controller,eonpatapon/contrail-controller,vpramo/contrail-controller,sajuptpm/contrail-controller,facetothefate/contrail-controller,numansiddique/contrail-controller,hthompson6/contrail-controller,DreamLab/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller