Fixes a rare notice in index dictionary, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2015-01-20 04:Jan:th
Author local date 2015-01-19 20:Jan:th -0800
Committer Chris Pollett <chris@pollett.org>
Committer date 2015-01-20 04:Jan:th
Committer local date 2015-01-19 20:Jan:th -0800
Commit e39a2cb1964409b8239bfac34166fb74e7253fb4
Tree d0c34141152a22d673e640aabf62bd2f9abc4314
Parent a865b452db36218bdbac85103f5e50a5a4ab4210
Fixes a rare notice in index dictionary, a=chris
Affected files:
lib/index_dictionary.php
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