git: openjdk/skara: 18: The fetch command in RFR emails does not work

[duke]

Changeset: fcbae436
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-07-02 09:18:55 +0000
URL:       http://git.openjdk.java.net/skara/commit/fcbae436

18: The fetch command in RFR emails does not work

Reviewed-by: ehelin

! bots/mlbridge/src/main/java/org/openjdk/skara/bots/mlbridge/PullRequestInstance.java
! host/src/main/java/org/openjdk/skara/host/github/GitHubPullRequest.java
! host/src/main/java/org/openjdk/skara/host/gitlab/GitLabMergeRequest.java