V571 Recurring check. The 'mbBufferingAllowed' condition was already verified in line 177.

Change-Id: Iea4c5a64e96ea3f513ce5a63fa3fc1f5062cb7cb
Reviewed-on: https://gerrit.libreoffice.org/62072
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>