BUG/MINOR : allow to log cookie for tarpit and denied request

The following patch allow to log cookie for tarpit and denied request.
This minor bug affect at least 1.5, 1.6 and 1.7 branch.

The solution is not perfect : may be the cookie processing
(manage_client_side_cookies) can be moved into http_process_req_common.
diff --git a/src/proto_http.c b/src/proto_http.c
index 0c37736..6ab14ce 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -4258,6 +4258,12 @@
 	 * if the client closes first.
 	 */
 	channel_dont_connect(req);
+
+	/* Allow cookie logging
+	 */
+	if (s->be->cookie_name || sess->fe->capture_name)
+		manage_client_side_cookies(s, req);
+
 	req->analysers &= AN_FLT_END; /* remove switching rules etc... */
 	req->analysers |= AN_REQ_HTTP_TARPIT;
 	req->analyse_exp = tick_add_ifset(now_ms,  s->be->timeout.tarpit);
@@ -4272,6 +4278,12 @@
 	goto done_without_exp;
 
  deny:	/* this request was blocked (denied) */
+
+	/* Allow cookie logging
+	 */
+	if (s->be->cookie_name || sess->fe->capture_name)
+		manage_client_side_cookies(s, req);
+
 	txn->flags |= TX_CLDENY;
 	txn->status = http_err_codes[txn->rule_deny_status];
 	s->logs.tv_request = now;
@@ -4414,8 +4426,7 @@
 	 * the fields will stay coherent and the URI will not move.
 	 * This should only be performed in the backend.
 	 */
-	if ((s->be->cookie_name || sess->fe->capture_name)
-	    && !(txn->flags & (TX_CLDENY|TX_CLTARPIT)))
+	if (s->be->cookie_name || sess->fe->capture_name)
 		manage_client_side_cookies(s, req);
 
 	/* add unique-id if "header-unique-id" is specified */