Rewrite Cookies and other headers in mod_proxy_ajp as configured with

Rewrite Cookies and other headers in mod_proxy_ajp as configured with
ProxyPassReverse and ProxyPassReverseCookiePath.

* modules/proxy/proxy_ajp.c

  (ap_proxy_ajp_request): Update call to ajp_parse_header().

* modules/proxy/ajp.h

  (ajp_msg_get_string): constify argument.

  (ajp_parse_header): Add conf argument.

* modules/proxy/proxy_util.c

  (ap_proxy_location_reverse_map): Promoted from mod_proxy_http.

  (ap_proxy_cookie_reverse_map): Promoted from mod_proxy_http;
    renamed from proxy_cookie_reverse_map.

* modules/proxy/ajp_msg.c

  (ajp_msg_get_string): constify argument.

* modules/proxy/proxy_http.c

  (ap_proxy_location_reverse_map, proxy_cookie_reverse_map: Removed.

  (process_proxy_header): Update header mapping table to reference the now
    public functions.

* modules/proxy/ajp_header.c

  (ajp_unmarshal_response): And conf argument.  Reverse map cookies and
    other headers.

  (ajp_parse_header): Update call to ajp_unmarshal_response().

* modules/proxy/mod_proxy.h

  (ap_proxy_location_reverse_map, ap_proxy_cookie_reverse_map): Declare
    functions that have been promoted to be public.

  (ap_proxy_header_reverse_map_fn): Typedef for the signature of the above
    two functions (currently used in mod_proxy_http).

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@124901 13f79535-47bb-0310-9956-ffa450edef68