Build errors with Short and Open

[rob-belcham]

Using Short or Open generates a build error:

chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(76,19): error C2039: 'b': is not a member of 'chowdsp::w
df::Short' [build\TD_Model.vcxproj]
(compiling source file '../src/main.cpp')
third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(56,11):
see declaration of 'chowdsp::wdf::Short'
third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(76,19):
the template instantiation context (the oldest one first) is
src\DiodeClipper.h(80,37):
see reference to class template instantiation 'chowdsp::wdf::Short' being compiled
third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(74,18):
while compiling class template member function 'T chowdsp::wdf::Short::reflected(void) noexcept'
with
[
T=double
]

third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(76,30): error C2039: 'a': is not a member of 'chowdsp::w
df::Short' [build\TD_Model.vcxproj]
(compiling source file '../src/main.cpp')
third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(56,11):
see declaration of 'chowdsp::wdf::Short'

third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(77,26): error C2039: 'b': is not a member of 'chowdsp::w
df::Short' [build\TD_Model.vcxproj]
(compiling source file '../src/main.cpp')
third_party\chowdsp_wdf\include\chowdsp_wdf\wdf\wdf_nonlinearities.h(56,11):
see declaration of 'chowdsp::wdf::Short'

[rob-belcham]

fix_open_close.patch
This fixes it

[jatinchowdhury18]

Thanks for the issue and the fix! I've got a PR up with your fix plus some little tests (which really should have been there in the first place), #26.