protz/GMail-Conversation-View — pull request #722 by shirosaki (2013-04-01 08:13:11+00:00)
Title: Fix pgp signing failure with Enigmail 1.5.1 on quick reply

hashAlgorithm was removed since Enigmail 1.5.1.
http://sourceforge.net/p/enigmail/source/ci/00690e1464447d8c5f0d67bf629c24b36c3b1be6/

This will fix #714.