Merge r1727842 from trunk:

mod_heartmonitor: No need to search twice for the same value + fix some style
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1731086 13f79535-47bb-0310-9956-ffa450edef68