Merge pull request #654 from rouault/patch-1 #318

Job	Run time
host-win-msvc	1m 30s
coding-style	11s
host-arm (armv7, none, none, g++-10)	3m 34s
host-win (x86_64)	42s
host-arm (armv7, none, none, clang++-11)	3m 26s
host-win (armv7)	41s
host-x86 (x86_64, g++-10)	2m 3s
host-arm (aarch64, none, none, g++-10)	2m 49s
host-win (aarch64)	39s
host-x86 (x86_64, clang++-11)	19s
host-arm (aarch64, none, none, clang++-11)	3m 38s
host-arm (aarch64, crypto+crc, none, g++-10)	2m 44s
host-arm (aarch64, crypto+crc, none, clang++-11)	3m 25s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	3m 28s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	3m 32s
test-win-msvc	1m 2s
	33m 43s

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