Always just use single quotes in config.h comments
commit38f67df7a7a808136f989127061415eb64ad89fb
authorOlly Betts <olly@survex.com>
Mon, 30 Jul 2018 05:09:50 +0000 (30 17:09 +1200)
committerOlly Betts <olly@survex.com>
Wed, 1 Aug 2018 23:35:56 +0000 (2 11:35 +1200)
tree10382382afd0a828f2821c15ee28a9e0ffa59807
parentba18dbebf80db4bfa3aa70607dafb542f66fe8de
Always just use single quotes in config.h comments

In all other cases we avoid `foo' since ' doesn't render as a right
single quote in most terminal fonts.

(cherry picked from commit dc3218696d6d84d0923e38a81284086c02becb7c)
xapian-core/configure.ac