Merge "Fix various fatals and IDEA warnings in CopyFileBackend"
authorjenkins-bot <jenkins-bot@gerrit.wikimedia.org>
Thu, 11 Jul 2019 22:35:17 +0000 (22:35 +0000)
committerGerrit Code Review <gerrit@wikimedia.org>
Thu, 11 Jul 2019 22:35:17 +0000 (22:35 +0000)

Trivial merge