Missing prototypes for RecordInfo functions

The following prototype seems to be missing from the
win32api headers (although the function is present in
the liboleaut32.a:

STDAPI_(HRESULT) GetRecordInfoFromTypeInfo(ITypeInfo*
pTypeInfo,IRecordInfo** ppRecInfo);

I looked in the latest version of the win32api (3.6)
and was unable to find it.