Core filters do not need mod_proxy.h

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1602978 13f79535-47bb-0310-9956-ffa450edef68
mod_proxy: Don't limit the size of the connectable Unix Domain Socket paths.
Since connect() to UDS path is used at several places, introduce
ap_proxy_connect_uds() in proxy_util.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1602989 13f79535-47bb-0310-9956-ffa450edef68