mixer(3) and mixer(8): Update manual pages.

- Use correct e-mail address.
- Set FreeBSD 14.0 as introduction for the updated mixer(8) utility.

Submitted by:	christos@
Differential Revision:	https://reviews.freebsd.org/D31636
Sponsored by:	NVIDIA Networking

lib/libmixer/mixer.3

@@ -22,7 +22,7 @@
 .\" $FreeBSD$
 .\"
 
-.Dd June 30, 2021
+.Dd September 22, 2021
 .Dt mixer 3
 .Os
 .Sh NAME
@@ -537,4 +537,4 @@ TAILQ_FOREACH(dp, &m->devs, devs) {
 and
 .Xr errno 2
 .Sh AUTHORS
-.An Christos Margiolis Aq Mt christos@margiolis.net
+.An Christos Margiolis Aq Mt christos@FreeBSD.org

usr.sbin/mixer/mixer.8

@@ -22,7 +22,7 @@
 .\" $FreeBSD$
 .\"
 
-.Dd June 30, 2021
+.Dd September 22, 2021
 .Dt mixer 8
 .Os
 .Sh NAME
@@ -240,6 +240,6 @@ information to a file and retrieve back later
 The
 .Nm
 utility first appeared in FreeBSD 2.0.5 and was rewritten completely in
-FreeBSD 12.2. \" FIXME: replace 12.2 with proper version.
+FreeBSD 14.0.
 .Sh AUTHORS
-.An Christos Margiolis Aq Mt christos@margiolis.net
+.An Christos Margiolis Aq Mt christos@FreeBSD.org