Add HISTORY sections to the remaining MAC library man pages.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories

lib/libc/posix1e/mac_free.3

@@ -74,6 +74,12 @@ To join this list, see the
 .Fx
 POSIX.1e implementation page
 for more information.
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.
 .Sh BUGS
 POSIX.1e specifies that
 .Fn mac_free

lib/libc/posix1e/mac_get.3

@@ -123,3 +123,9 @@ To join this list, see the
 .Fx
 POSIX.1e implementation page
 for more information.
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.

lib/libc/posix1e/mac_is_present.3

@@ -79,3 +79,9 @@ Insufficient memory was available to allocate internal storage.
 .Xr mac_text 3 ,
 .Xr mac 4 ,
 .Xr mac 9
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.

lib/libc/posix1e/mac_is_present_np.3

@@ -79,3 +79,9 @@ Insufficient memory was available to allocate internal storage.
 .Xr mac_text 3 ,
 .Xr mac 4 ,
 .Xr mac 9
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.

lib/libc/posix1e/mac_set.3

@@ -138,3 +138,9 @@ is not a directory.
 .Xr mac_text 3 ,
 .Xr mac 4 ,
 .Xr mac 9
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.

lib/libc/posix1e/mac_text.3

@@ -95,3 +95,9 @@ To join this list, see the
 .Fx
 POSIX.1e implementation page
 for more information.
+.Sh HISTORY
+Support for Mandatory Access Control was introduced in
+.Fx 5.0
+as part of the
+.Tn TrustedBSD
+Project.