rem: static inline int check_message(struct sip_msg* _m)
add: static int check_message(struct sip_msg* _m)
context: static inline int check_message(struct sip_msg* _m){	if (_m->event) {		if (((event_t*)(_m->event->parsed))->parsed != EVENT_PRESENCE) {			paerrno = PA_EVENT_UNSUPP;			LOG(L_ERR, "check_message(): Unsupported event package\n");			return -1;		}	}	return 0;}