cmake upstream has merged cygwin patches

[Lemures Lemniscati]

Hi.

The cygwin patches for cmake-3.17.3 have been merged into its upstream
(though I should have discussed for it here).

Merged by there merge-requests:
https://gitlab.kitware.com/cmake/cmake/-/merge_requests/5092
https://gitlab.kitware.com/utils/kwsys/-/merge_requests/197


Merged patches for cmake-3.17.3-1 are

	perl-libs.patch
	3.17.3-case-sensitivity.patch
	3.17.3-opengl.patch
	3.17.3-findtclsh.patch
	3.17.3-cpuinfo.patch
	3.17.3-cygwin-paths.patch
https://github.com/matzeri/cygwin-pkg/tree/64864eb8f0d635ea44226e4b9a41a7ca59a1c7dd/cmake

and 

0001-3.17.3-cpuinfo_suppl.patch
https://sourceware.org/pipermail/cygwin/2020-July/245563.html


Regards,

Lem