[newlib-cygwin] Created tag newlib-2_3_0

[Jeff Johnston]

The unsigned tag 'newlib-2_3_0' was created pointing to:

 ad7b3cd... Regenerate files for newlib 2.3.0.

Tagger: Jeff Johnston <jjohn...@redhat.com>
Date: Mon Dec 21 21:34:01 2015 -0500

    Newlib yearly 2.3.0 snapshot release.