[Integrated] RFR: 219: Missing slash before CONTRIBUTING link in /integrate message

[Erik Helin]

Changeset: ec7cd48a
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2019-12-20 14:46:03 +0000
URL:       https://git.openjdk.java.net/skara/commit/ec7cd48a

219: Missing slash before CONTRIBUTING link in /integrate message

Reviewed-by: kcr, rwestberg

! bots/pr/src/main/java/org/openjdk/skara/bots/pr/CheckRun.java