Log Message:
Update to 5.6.2

Upstream changes:
Changes from 5.6.1 to 5.6.2
---------------------------

Fix another SIGTTOU case.

Fix SIGWINCH being ignored when zsh is not in the foreground.

The release tarballs are now compressed using xz(1), whereas previously
both xz(1) and gzip(1) versions were available.  If this gets in your way,
give us a shout.