Fix Use-after-free segfault in ap_server_config_defines seen on start-up on OpenBSD

Reported by Sam Vaughan at https://bz.apache.org/bugzilla/show_bug.cgi?id=63516
Suggested fix by Joe Orton on that ticket.

git-svn-id: https://svn.apache.org/repos/asf/perl/modperl/trunk@1861755 13f79535-47bb-0310-9956-ffa450edef68
1 file changed