Merge branch 'BenBE-asprintf-fixes' #5357

Job	Run time
build-ubuntu-latest-minimal-clang	2m 49s
build-ubuntu-latest-minimal-gcc	45s
build-ubuntu-latest-full-featured-clang	2m 10s
build-ubuntu-latest-full-featured-gcc	1m 8s
build-ubuntu-latest-gcc-static	1m 9s
build-ubuntu-latest-pcp	2m 40s
build-ubuntu-latest-clang-analyzer	3m 11s
build-ubuntu-latest-clang-sanitizer	1m 31s
build-macos-latest-clang	47s
build-openbsd-latest-clang	2m 25s
build-dragonflybsd-latest-gcc	2m 48s
lint-pcp-config	3s
build-unsupported-latest-gcc	29s
build-solaris-latest-gcc	4m 56s
build-netbsd-latest-gcc	2m 50s
build-freebsd-latest-clang	2m 21s
lint-whitespace	4s
	32m 6s

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