From: Jani Nikula <jani@nikula.org>
Date: Wed, 13 Apr 2016 18:32:46 +0000 (+0300)
Subject: configure: SC2006: Use $(..) instead of legacy `..`
X-Git-Tag: 0.23_rc0~127
X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=commitdiff_plain;h=2b7b32fc476d0d9b52fc69ee1690b15ea1360207;hp=2b7b32fc476d0d9b52fc69ee1690b15ea1360207

configure: SC2006: Use $(..) instead of legacy `..`

Fix shellcheck warnings.
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