* modules/proxy/mod_proxy_balancer.c (proxy_balancer_pre_request): Fix

another valid variable-may-be-used-uninitialized warning from GCC 4
(in the !balancer->sticky case, find_session_route returns NULL
without setting route).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@193117 13f79535-47bb-0310-9956-ffa450edef68