Ruby 1.9.3-p392 is released (includes two security fixes)

Hi, ruby users,

Now Ruby 1.9.3-p392 is released.
I apologize for updating too frequently.

This release includes security fixes about bundled JSON and REXML.

And some small bugfixes are also included.

See tickets
Issues - Backport193 - Ruby Issue Tracking System
and ChangeLog
for details.

== Download

You can download this release from:

== Release Comment

Many committers, testers and users who gave bug reports helped me to
make this release.
Thanks for their contributions.