a zip file within a structured storage stream. underlying storage stream
claims larger size that it can satisfy on read

Change-Id: I8516b12df33ad78b2525192826f5e3aef2622eb8
Reviewed-on: https://gerrit.libreoffice.org/50239Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Jenkins <ci@libreoffice.org>