fix empty variable notice, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2018-12-16 21:Dec:th
Author local date 2018-12-16 13:Dec:th -0800
Committer Chris Pollett <chris@pollett.org>
Committer date 2018-12-16 21:Dec:th
Committer local date 2018-12-16 13:Dec:th -0800
Commit d3df85d64f1d0327721d486c5be8900c5f649df6
Tree b9d1a5f0a55cdff8ea375b89925e99ffb5f9126c
Parent 932143debcf6421b19e3d3c7bc2ba5efb9644fbb
fix empty variable notice, a=chris
Affected files:
src/views/elements/WikiElement.php
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