Comment # 1 on bug 1111374 from David Disseldorp

This was addressed upstream with:
commit 426e4a5a20cff73a80d80b46f15826deac3f934f
Author: Amitay Isaacs <amitay@gmail.com>
Date:   Thu Mar 1 12:32:26 2018 +1100

    ctdb-pmda: Use modified API in pcp library 4.0


Our downstream SLE15-SP0 branch includes this fix. I'll cross check this with
the version used in the obs staging project.