i had to tweak srvssh to work with ssh2.  if this looks reasonable, i'll
send in a patch.

diff /n/dump/2013/0414/rc/bin/srvssh /rc/bin/srvssh
84c84
< 'ssh '$rawflags' '$1' '$rawhack' '$u9fspath' -na none -u ''$''USER -l
''$''HOME/u9fs.log' \
---
> 'ssh '$rawflags' '$1' '$rawhack' '''$u9fspath' -na none -u $USER -l
$HOME/u9fs.log'' ' \