There was a missing htons(port) in mod_proxy.c

Submitted by: sameer@c2.org (Sameer Parekh)
Obtained from: 117.missing_htons.patch


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76338 13f79535-47bb-0310-9956-ffa450edef68