Enhancement: Update glauth to dev fd3ac7e4bbdc93578655d9a08d8e23f105aaa5b2

We updated glauth to dev commit fd3ac7e4bbdc93578655d9a08d8e23f105aaa5b2, which allows to
skip certificate checks for the owncloud backend.

https://github.com/owncloud/ocis/pull/834
