fdo#82427 disambiguate "NOT LIKE 'foo'"

Change-Id: Iab383639ea73cc87c03f4f42433bc9ccfcd988ef
Reviewed-on: https://gerrit.libreoffice.org/11009
Reviewed-by: David Tardon <dtardon@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>