Fix return type of ITypeLib::ReleaseTLibAttr.  The method documentation on MSDN wrongly specifies a HRESULT return type.
Fix return type of ITypeLib::ReleaseTLibAttr.  The method
documentation on MSDN wrongly specifies a HRESULT return type.

Found by Michael Curran, thanks!

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extra : convert_revision : svn%3Aa2f44796-8cc0-49ac-b43f-6a96d556d52d/trunk%40503

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