[2.4.x] mod_proxy_hcheck: Fix healthcheck disabled due to child restart while updating#581

ylavic wants to merge 2 commits intoapache:2.4.xapache/httpd:2.4.xfrom

ylavic:proxy_hcheck_updated-2.4.xylavic/httpd:proxy_hcheck_updated-2.4.xCopy head branch name to clipboard