Revert to earlier windows ro work around compilation problems in msvc 2019
Revert to earlier windows ro work around compilation problems in msvc 2019

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core