fix another notice in unpackPostings 2, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2022-08-21 03:Aug:st
Author local date 2022-08-20 20:Aug:th -0700
Committer Chris Pollett <chris@pollett.org>
Committer date 2022-08-21 03:Aug:st
Committer local date 2022-08-20 20:Aug:th -0700
Commit 54290bafcce0697ff027cfdba329277910dcfc83
Tree 8fd42fc4d0b1e7c42976c8cfb37a228a916b3c7e
Parent 59e620f908c19e859ef257949e9f59c2a832f156
fix another notice in unpackPostings 2, a=chris
Affected files:
src/library/IndexDocumentBundle.php
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