Update sl container for sl6 to current (build-date=20180601)
@@ -15,4 +15,4 @@ Tags: 6
Architectures: amd64
GitFetch: refs/heads/6
Directory: sl6
-GitCommit: b561b3b2418f10518e47ee7defa43284e154e193
+GitCommit: bdbd37c42f0bd69415f80eb773a37438f85ffc5b