Remove stray line.
#ifdef __FreeBSD__
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet6/sctp6_usrreq.c 350588 2019-08-05 13:22:15Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet6/sctp6_usrreq.c 353466 2019-10-13 09:35:03Z tuexen $");
#endif
#include <netinet/sctp_os.h>
@@ -62,13 +62,9 @@ __FBSDID("$FreeBSD: head/sys/netinet6/sctp6_usrreq.c 350588 2019-08-05 13:22:15Z
#include <netinet/icmp6.h>
#include <netinet/udp.h>
#endif
-
#if defined(__APPLE__)
#define APPLE_FILE_NO 9
#endif
-#if !defined(__Userspace__)
-extern struct protosw inetsw[];
-#endif
#if defined(__Panda__) || defined(__Userspace__)
int ip6_v6only=0;
#endif
