Build ID will show enabled OpenGL with an extra string "-GL"
helping the fix of rendering issues.

Change-Id: Id7bf2db2edb165542bf7a2a253c698c494278a03
Reviewed-on: https://gerrit.libreoffice.org/18014Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>