Update sl container for sl7 to current (build-date=20180601)
@@ -8,7 +8,7 @@ Tags: 7, latest
Architectures: amd64
GitFetch: refs/heads/7
Directory: sl7
-GitCommit: cc19070a8d75c826af21c28251d409b1463d747f
+GitCommit: bf7fa6a6837b82f8ee1eaa37a5a5520739d8c995
# For the SL6 container
Tags: 6
yosifkit