[pull] master from curl:master #1499

Job	Run time
cygwin, AM x86_64 openssl R	8m 16s
linux-mingw, AM gcc	2m 53s
cygwin, CM x86_64 openssl	7m 41s
linux-mingw, CM gcc	2m 36s
dl-mingw, CM 9.5.0-x86_64 schannel	11m 3s
msvc, CM x64-windows schannel MultiSSL U	7m 36s
dl-mingw, CM 7.3.0-x86_64 schannel U	10m 11s
msvc, CM x64-windows openssl	9m 17s
msys2, AM x86_64 !proxy	7m 12s
msvc, CM x64-uwp openssl	3m 26s
dl-mingw, CM 6.4.0-i686 schannel !unity	2m 54s
msys2, AM x86_64 default	5m 1s
msvc, CM x64-windows libressl	46m 56s
msys2, CM x86_64 default	6m 35s
msvc, CM x64-windows boringssl	6m 56s
msys2, AM x86_64 default R	7m 0s
msvc, CM x64-windows wolfssl	8m 43s
mingw, AM x86_64 default	6m 45s
msvc, CM x64-windows mbedtls	8m 40s
mingw, AM x86_64 c-ares U	10m 0s
mingw, CM x86_64 schannel c-ares U	6m 52s
mingw, CM ucrt-x86_64 schannel R TrackMemory	2m 55s
mingw, CM clang-x86_64 openssl	2m 9s
mingw, CM ucrt-x86_64 schannel uwp	2m 54s
mingw, CM x86_64 schannel dev debug	2m 31s
mingw, CM i686 schannel R	2m 35s
	3h 19m 37s

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