Fix improper .Fx macro usage.

Differential Revision:	https://reviews.freebsd.org/D1158
Reviewed by:	wblock@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
The number of BSD partitions is variable. Return the proper number
(which is in basetable->gpt_entries).

Submitted by: ae@
Remove acl_size.c; apparently it was never used.

PR:		194398
Submitted by:	ngie@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Make the auto_master(5) man page clearer on how auto_master
and map files work together, and add example for smbfs.

Differential Revision:	https://reviews.freebsd.org/D1184
Reviewed by:	wblock@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
cxgbe(4): figure out the max payload size and save it for later.

MFC after:	1 week
HBSD: bump __HardenedBSD_version version after a.out support removal

Signed-off-by: Oliver Pinter <oliver.pinter@hardenedbsd.org>
CC: Shawn Webb <shawn.webb@hardenedbsd.org>
CC: HardenedBSD Core <core@hardenedbsd.org>
Merge remote-tracking branch 'freebsd/master' into hardened/current/master
Merge remote-tracking branch 'origin/hardened/current/master' into hardened/current/userlandenhanced