Restore the slow version of UnpackSafeArray, because that one actually works.
Restore the slow version of UnpackSafeArray, because that one actually
works.

--HG--
extra : convert_revision : svn%3Aa2f44796-8cc0-49ac-b43f-6a96d556d52d/trunk%4083

denfromufa/comtypes,denfromufa/comtypes,denfromufa/comtypes,denfromufa/comtypes,denfromufa/comtypes