fix some memory leaks again
fix some memory leaks again

gale320/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,gale320/flexisip,biddyweb/flexisip,gale320/flexisip,biddyweb/flexisip,biddyweb/flexisip,biddyweb/flexisip,gale320/flexisip