[newlib-cygwin] Created tag 'cygwin-3.6.4'

[Corinna Vinschen]

The signed tag 'cygwin-3.6.4' was created pointing to:

 de2dccc8ecd0... Cygwin: doc: warn about unprivileged access to raw devices

Tagger: Corinna Vinschen <corinna@vinschen.de>
Date: *** Failed to determine tag creation date ***

    Cygwin 3.6.4 release