[REVIEW][3-5] fdo#46112 Calc ODF import double border regression

[Michael Stahl]

the Calc ODF import mangles double borders written by older versions and
OOo, they have their width tripled and are beaten into a symmetric
shape; the following patches fix that and should go into libreoffice-3-5:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=70a6a4d425558340bb49507975343a3e0a1bdde8

http://cgit.freedesktop.org/libreoffice/core/commit/?id=30aa036181480c76f909c2dda86b2682cac1fd73

similar regressions in Writer i have fixed some time ago, and Impress
seems unaffected, i.e. double borders in Impress look just as ugly now
as they always have.