fix C pointer errors
fix C pointer errors

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