Bug 5202: (follow-up) Quiet warning
authorJared Camins-Esakov <jcamins@cpbibliography.com>
Sun, 18 Aug 2013 16:41:18 +0000 (12:41 -0400)
committerGalen Charlton <gmc@esilibrary.com>
Thu, 10 Oct 2013 21:38:11 +0000 (21:38 +0000)
commita512481af30e038cd694a4a2e771eb4ab8192ed9
treedb6f8a5e10581d0e6d7dd9e8cef65d2c8f8be22d
parentcbd95910104e38545ef4371099f3af0584a5f301
Bug 5202: (follow-up) Quiet warning

$mergereference is not always defined, so we should check it is
defined before checking its value.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
authorities/merge.pl