* Fix a declaration problem introduced in r195013 that is C99 but not ANSI C

  compatible. Thus move declaration of *worker to the top of find_session_route
  to make it ANSI C compatible again.

Submitted by: NormW <normw bocnet.com.au>
Reviewed by: Ruediger Pluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@307389 13f79535-47bb-0310-9956-ffa450edef68