Merge branch 'os/vcbuild'

Fix build procedure for MSVC. * os/vcbuild: contrib/buildsystems: fix expat library name for generated vcxproj vcbuild: fix batch file name in README vcbuild: fix library name for expat with make MSVC=1

Junio C Hamano committed Sep 9, 2020 at 13:53 UTC ff75e6c99c291e0cf6d0e7f70e13f78e4606e5a8

No changes.