[issue16991] Add OrderedDict written in C

[Mark Lawrence]

Mark Lawrence added the comment:

I'm getting the following linker errors on Windows 8.1 for 32 and 64 bit debug and release builds.  unresolved external symbol _PyODict_Type in C:\cpython\PCbuild\_collectionsmodule.obj, and _PyODictIter_Type,
_PyODictValues_Type, _PyODictKeys_Type,_PyODictItems_Type in C:\cpython\PCbuild\object.obj

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nosy: +BreamoreBoy

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