I've just updated the Cygwin version of OpenSSH to 7.7p1-1.
This is primarily an upstream bugfix release.
The original upstream release message:
=
OpenSSH 7.7 has just been released. It will be available from the
mirrors
New versions 5.0.1-1
proj
libproj-devel
libproj13
for cygwin are available in the Cygwin distribution:
CHANGES
Last upstream release. First of 5.x series
DESCRIPTION
PROJ.4 - Cartographic Projections Library
HOMEPAGE
https://github.com/OSGeo/proj.4/
Marco Atzeri
If you have questions