HG case-folding collision on Windows caused by 12668:b14e72db6e7a
Bug description
Changeset 12668:b14e72db6e7a breaks updating the hg repository on MS Windows.
Steps to reproduce
Update to the latest revision using hg on MS Windows (or any case insensitive system).
Error raised by hg: abort: case-folding collision between src/common/gnupg.py and src/common/GnuPG.py
Software versions
OS version: MS Windows XP SP3