Log Message:
Apply upstream patch:

forgotten-attachment: fix empty regex expression

The original regex was of the form "abc(|def)" to check for both \ 
"abc"
and "abcdef".  Unfortunately, the regex libraries on BSDs/MacOS don't
like this use of an empty sub-expression.

Expanding the regex to: "(abc|abcdef)" fixes the problem.

https://github.com/neomutt/neomutt/commit/3bc69ca25077b171f1ae9beee484629c5b5c6482

Bump PKGREVISION.