windows fixes #1860

Job	Run time
downstream	39m 21s
linux-byo-crypto	2m 42s
clang-sanitizers (,thread)	6m 24s
clang-sanitizers (,address,undefined)	6m 36s
linux-compat (manylinux1-x64)	5m 39s
linux-compiler-compat (clang-3)	6m 15s
linux-shared-libs	5m 48s
linux-compat (manylinux1-x86)	6m 11s
linux-compiler-compat (clang-6)	6m 27s
linux-compat (manylinux2014-x64)	5m 53s
linux-compiler-compat (clang-8)	6m 53s
linux-compat (manylinux2014-x86)	7m 8s
linux-compiler-compat (clang-9)	6m 47s
linux-compat (fedora-34-x64)	5m 43s
linux-compiler-compat (clang-10)	6m 6s
osx	3m 0s
linux-compat (opensuse-leap)	5m 53s
linux-compiler-compat (clang-11)	6m 53s
linux-compat (rhel8-x64)	6m 44s
linux-compiler-compat (gcc-4.8)	5m 39s
linux-compat (al2-x64)	6m 6s
linux-compiler-compat (gcc-5)	6m 7s
linux-compiler-compat (gcc-6)	5m 32s
windows	4m 35s
linux-compiler-compat (gcc-7)	6m 3s
linux-compiler-compat (gcc-8)	5m 55s
windows-app-verifier	5m 15s
windows-shared-libs	3m 47s
windows-vc14 (x86)	3m 14s
windows-vc14 (x64)	4m 15s
	3h 22m 51s

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