Sync FreeBSD ID.
#ifdef __FreeBSD__
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctp_cc_functions.c 353488 2019-10-14 13:02:49Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_cc_functions.c 356660 2020-01-12 15:45:27Z tuexen $");
#endif
#include <netinet/sctp_os.h>
