HPCC-26086 Fix Coverity scan issues in httplib #9554

Job	Run time
check-skip	9s
Build platform and regress setup	34m 43s
regression-jobs (hthor, [a-d]*.ecl)	10m 59s
eclwatch-ui-tests	2m 53s
unittests	4m 5s
regression-jobs (hthor, [e-h]*.ecl)	4m 21s
regression-jobs (hthor, [i-l]*.ecl)	9m 23s
regression-jobs (hthor, [m-q]*.ecl)	4m 19s
regression-jobs (hthor, [r-u]*.ecl, teststdlibrary.ecl)	14m 8s
regression-jobs (hthor, [v-z]*.ecl)	5m 1s
regression-jobs (thor, [a-d]*.ecl)	8m 4s
regression-jobs (thor, [e-h]*.ecl)	9m 28s
regression-jobs (thor, [i-l]*.ecl)	21m 14s
regression-jobs (thor, [m-q]*.ecl)	4m 56s
regression-jobs (thor, [r-u]*.ecl, teststdlibrary.ecl)	12m 39s
regression-jobs (thor, [v-z]*.ecl)	4m 11s
regression-jobs (roxie, [a-d]*.ecl)	7m 59s
regression-jobs (roxie, [e-h]*.ecl)	4m 14s
regression-jobs (roxie, [i-l]*.ecl)	6m 59s
regression-jobs (roxie, [m-q]*.ecl)	6m 31s
regression-jobs (roxie, [r-u]*.ecl, teststdlibrary.ecl)	20m 22s
regression-jobs (roxie, [v-z]*.ecl)	6m 9s
regression-jobs (hthor, teststdlibrary.ecl)	4m 28s
regression-jobs (thor, teststdlibrary.ecl)	7m 24s
regression-jobs (roxie, teststdlibrary.ecl)	4m 51s
	3h 39m 30s

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