trying to fix windows build #30

Job	Run time
macOS / release / homebrew-clang	5m 28s
Windows / release / msvc	30m 41s
macOS / debug / homebrew-clang	4m 46s
Windows / release / clang-cl	14m 37s
macOS / release / system-clang	4m 36s
Windows / release / llvm	26m 58s
macOS / debug / system-clang	4m 27s
Windows / debug / msvc	22m 3s
Windows / debug / clang-cl	24m 50s
Windows / debug / llvm	27m 22s
	2h 45m 48s

Provide feedback