fixes a warning about undefined index on functions.social.php
fixes a warning about undefined index on functions.social.php

jloosli/shoestrap-3,shoestrap/shoestrap-3,cadr-sa/shoestrap-3,theportlandcompany/shoestrap-3,cadr-sa/shoestrap-3,jloosli/shoestrap-3,shoestrap/shoestrap-3,jloosli/shoestrap-3,theportlandcompany/shoestrap-3