Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  db0adda67fcbe61854fed73eeae0d4b84908b37c

Added check for empty Lockdown settings

Now checks, if $wgNamespacePermissionLockdown is empty to prevent warning

Change-Id: I80878480f0c06dbbf9c00020c77bcb0452de9d6b