Witold Kręcicki authored Jan 15, 2020 and Ondřej Surý committed Jan 15, 2020

 - isc__netievent_storage_t was to small to contain
   isc__netievent__socket_streaminfo_t on Windows
 - handle isc_uv_export and isc_uv_import errors properly
 - rewrite isc_uv_export and isc_uv_import on Windows