Merge 8.7 - Fix example. http::config, not http::configure #4689

Job	Run time
gcc	11m 24s
msvc	10m 23s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	11m 14s
msvc (CHECKS=nodep)	10m 47s
gcc (--disable-shared)	11m 26s
msvc (OPTS=static)	10m 52s
gcc (--disable-zipfs)	11m 15s
msvc (OPTS=noembed)	10m 21s
gcc (--enable-symbols)	11m 44s
msvc (OPTS=symbols)	11m 0s
gcc (--enable-symbols=mem)	13m 18s
msvc (OPTS=symbols STATS=compdbg,memdbg)	14m 44s
gcc (--enable-symbols=all)	14m 28s
	2h 32m 56s

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