apr_proc_create(): Check that progname argument is quoted correctly if #640

Job	Run time
Default	1m 7s
Static	48s
Maintainer-mode	49s
Named SHM - SysV, Maintainer-mode	1m 17s
Named SHM - Classic mmap, Maintainer-mode	50s
Pool-debug	47s
Pool-debug, maintainer-mode	1m 14s
Thread-debug, maintainer-mode	50s
Maintainer-mode, no IPv6	1m 9s
Maintainer-mode, -Werror	46s
With crypto	1m 19s
ASan	1m 50s
ASan, pool-debug	58s
UBsan	1m 4s
LMDB	1m 12s
Berkeley DB v5.3	1m 0s
	17m 0s

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