switch an occurence of GROUP_ROLES to GROUP_ROLE, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2013-11-25 00:Nov:th
Author local date 2013-11-24 16:Nov:th -0800
Committer Chris Pollett <chris@pollett.org>
Committer date 2013-11-25 00:Nov:th
Committer local date 2013-11-24 16:Nov:th -0800
Commit aab757d2def13a9c9347a444b50620a080b3f23e
Tree 6bffdd2dc705398c999a0661e7deae7d0fc7ebd7
Parent 9d5470b0babc0d68d74a4b048e1ff00b7867bff5
switch an occurence of GROUP_ROLES to GROUP_ROLE, a=chris
Affected files:
lib/upgrade_functions.php
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