freebsd: add missing SCM_ constants

Author: valpackett

libc-test/semver/freebsd.txt

@@ -1135,9 +1135,14 @@ SCALE_PPM
 SCHED_FIFO
 SCHED_OTHER
 SCHED_RR
-SCM_CREDS
 SCM_RIGHTS
 SCM_TIMESTAMP
+SCM_CREDS
+SCM_BINTIME
+SCM_REALTIME
+SCM_MONOTONIC
+SCM_TIME_INFO
+SCM_CREDS2
 SCTP_ACTIVE
 SCTP_ALL_ASSOC
 SCTP_ADAPTATION_LAYER

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -2997,6 +2997,10 @@ pub const MNT_SNAPSHOT: ::c_int = 0x01000000;
 pub const MNT_UNION: ::c_int = 0x00000020;
 pub const MNT_NONBUSY: ::c_int = 0x04000000;
 
+pub const SCM_BINTIME: ::c_int = 0x04;
+pub const SCM_REALTIME: ::c_int = 0x05;
+pub const SCM_MONOTONIC: ::c_int = 0x06;
+pub const SCM_TIME_INFO: ::c_int = 0x07;
 pub const SCM_CREDS2: ::c_int = 0x08;
 
 pub const SO_BINTIME: ::c_int = 0x2000;