modules_k/path: Use single-quotes around received

For full RFC3261 compliance, use single-quoted "received" param
instead of double-quoted one.
(cherry picked from commit a5b181bca6bf37b4a18ef502717b50d06e53d5e4)

modules_k/path/path.c

@@ -122,23 +122,23 @@ static int prepend_path(struct sip_msg* _m, str *user, int recv)
 	if (recv) {
 		/* TODO: agranig: optimize this one! */
 		src_ip = ip_addr2a(&_m->rcv.src_ip);
-		rcv_addr.s = pkg_malloc(6 + IP_ADDR_MAX_STR_SIZE + 22); /* "sip:<ip>:<port>;transport=sctp"\0 */
+		rcv_addr.s = pkg_malloc(6 + IP_ADDR_MAX_STR_SIZE + 22); /* 'sip:<ip>:<port>;transport=sctp'\0 */
 		if(!rcv_addr.s) {
 			LM_ERR("no pkg memory left for receive-address\n");
 			goto out3;
 		}
 		switch (_m->rcv.proto) {
 			case PROTO_UDP:
-				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 6, "\"sip:%s:%u\"", src_ip, _m->rcv.src_port);
+				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 6, "'sip:%s:%u'", src_ip, _m->rcv.src_port);
 				break;
 			case PROTO_TCP:
-				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 20, "\"sip:%s:%u;transport=tcp\"", src_ip, _m->rcv.src_port);
+				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 20, "'sip:%s:%u;transport=tcp'", src_ip, _m->rcv.src_port);
 				break;
 			case PROTO_TLS:
-				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 20, "\"sip:%s:%u;transport=tls\"", src_ip, _m->rcv.src_port);
+				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 20, "'sip:%s:%u;transport=tls'", src_ip, _m->rcv.src_port);
 				break;
 			case PROTO_SCTP:
-				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 21, "\"sip:%s:%u;transport=sctp\"", src_ip, _m->rcv.src_port);
+				rcv_addr.len = snprintf(rcv_addr.s, 6 + IP_ADDR_MAX_STR_SIZE + 21, "'sip:%s:%u;transport=sctp'", src_ip, _m->rcv.src_port);
 				break;
 	    }