correct testcase

gtests/net/packetdrill/tests/bsd/sctp/notifications/sctp_assoc_change_event.pkt

@@ -10,7 +10,7 @@
 +0.0 > sctp: COOKIE_ECHO[flgs=0, len=4, val=...]
 +0.1 < sctp: COOKIE_ACK[flgs=0]
 +0.0 sctp_recvv(3, [{iov_base={sac_type=SCTP_ASSOC_CHANGE, sac_flags=0, sac_length=21, sac_state=SCTP_COMM_UP, sac_error=0, sac_outbound_streams=1, 
-sac_inbound_streams=1, sac_assoc_id=3, sac_info=[SCTP_ASSOC_SUPPORTS_MULTIBUF, 0x01]}, iov_len=1000}], 1, ..., 20, NULL, [0], [SCTP_RECVV_NOINFO], 
+sac_inbound_streams=1, sac_assoc_id=3, sac_info=[SCTP_ASSOC_SUPPORTS_MULTIBUF, 0x00]}, iov_len=1000}], 1, ..., 20, NULL, [0], [SCTP_RECVV_NOINFO], 
 [MSG_NOTIFICATION|MSG_EOR]) 
 = 21