SIGXCPU and SIGXFSZ are now reset to SIG_DFL at boot-time. This

is necessary on at least Solaris where the /etc/rc?.d scripts
are run with these signals ignored, and "SIG_IGN" settings are
maintained across exec().

PR:             2009
Submitted by:   Rein Tollevik <reint@sys.sol.no>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80714 13f79535-47bb-0310-9956-ffa450edef68