openssh changes:
- SIGWINCH propagated correctly
- mitigate SSH1 traffic analysis
- sprintf -> snprintf and lots of other cleanups
netbsd local changes:
- include OpenBSD RCSID into binary again, which helps us diagnose later.
with openssh tree to ease future upgrade. re-do local changes, including:
- prototype pedants
- IgnoreRootRhosts
- login.conf user validation
some of the local changes that weren't used are omitted for now. we may
need to revisit those afterwards.
it adds "sftp".
the binary may have been installed already, i.e. a install without
UPDATE=1 (done so that everything gets reinstalled). The schg flag is not
unsettable, even by root, at securelevel 1.
A flag like this should be set by mtree, not install.