[Integrated] RFR: Fix git issues with merge bot

[Erik Helin]

Changeset: 28d695ba
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-02-05 11:07:19 +0000
URL:       https://git.openjdk.java.net/skara/commit/28d695ba

Fix git issues with merge bot

Reviewed-by: rwestberg

! bots/merge/src/main/java/org/openjdk/skara/bots/merge/MergeBot.java