Improve compilation on platforms different from FreeBSD.

sys/netinet/sctp_input.c

@@ -5194,7 +5194,7 @@ sctp_process_control(struct mbuf *m, int iphlen, int *offset, int length,
 					return (NULL);
 				}
 			}
-			/*
+			/*-
 			 * First are we accepting? We do this again here
 			 * since it is possible that a previous endpoint WAS
 			 * listening responded to a INIT-ACK and then

sys/netinet/sctputil.c

@@ -7240,8 +7240,6 @@ sctp_over_udp_start(void)
 	return (0);
 }
 
-#if defined(INET6) || defined(INET)
-
 /*
  * sctp_min_mtu ()returns the minimum of all non-zero arguments.
  * If all arguments are zero, zero is returned.
@@ -7325,4 +7323,3 @@ sctp_hc_get_mtu(union sctp_sockstore *addr, uint16_t fibnum)
 	}
 	return ((uint32_t)tcp_hc_getmtu(&inc));
 }
-#endif

sys/netinet/sctputil.h

@@ -388,10 +388,8 @@ sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *,
 void sctp_audit_log(uint8_t, uint8_t);
 
 #endif
-#if defined(INET6) || defined(INET)
 uint32_t sctp_min_mtu(uint32_t, uint32_t, uint32_t);
 void sctp_hc_set_mtu(union sctp_sockstore *, uint16_t, uint32_t);
 uint32_t sctp_hc_get_mtu(union sctp_sockstore *, uint16_t);
-#endif
 #endif				/* _KERNEL */
 #endif