Log Message:
mutt: Update to version 1.9.5

This is a bug fix release. Fixes include:
* GPGME S/MIME non-detached signature handling.
* A compilation issue with ncurses-6.1 when tinfow is split out.
  Hopefully the fix doesn't impact anyone: please let me know of any
  issues.
* Regular expression crashes and weird behavior problems on MacOS (and
  possibly other BSDs).  This was most noticeable with the recent Xcode
  9.3 release, but the issue has existed for a while.
* GSSAPI authentication issues, which may have affected Exchange users.
  We've changed behavior to match the RFC.  If you are negatively
  impacted by this, please let me know.