[PUSHED libreoffice-4-0] fdo#42144 WW8 export: avoid writing pointless empty footers

[Bosdonnat Cedric (via Code Review)]

Hi,

Thank you for your patch!  It has been merged to LibreOffice.

If you are interested in details, please visit

    https://gerrit.libreoffice.org/3797

Approvals:
  Bosdonnat Cedric: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: Ied55dc2a9f0faef87689c07935a47db384d37e1a
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: libreoffice-4-0
Gerrit-Owner: Miklos Vajna <vmiklos at suse.cz>
Gerrit-Reviewer: Bosdonnat Cedric <cedric.bosdonnat at free.fr>