remove the never installed getmntopts.3 page, as well as the
corresponding comment in Makefile;

ok claudio deraadt
use Nx;
international currency locale rules as per POSIX.1-2008

required for libc++

ok guenther afresh1
revert free checks in here. this seems to be a bit too agressive at the
moment and now is not the time. hitting these in here causes chaos.
We need to do these, but at a better time than right after a hackathon
and before release.
ok guenther@
sync
explicit copyright, as authorized by Thomas. Thanks!
Fix memory leak upon error in ssl_parse_clienthello_use_srtp_ext().
From BoringSSL.
Add TEST_ENV and ALL_TEST_ENV description.