Define _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR preprocessor macro to work around invalid MEX file issue on Windows. Fixes #130

Author: duncanpo

cmake/vcpkg_triplets/x64-windows-otel-matlab.cmake

@@ -9,3 +9,4 @@ endif()
 # Define a preprocessor macro _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR to work around an invalid MEX file issue
 # See https://github.com/mathworks/OpenTelemetry-Matlab/issues/130
 set(VCPKG_CXX_FLAGS "/D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR")
+set(VCPKG_C_FLAGS "/D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR")