[BUG] tarpit did not work anymore

Tarpit was broken by recent splitting of analysers. It would still
let the connection go to the server due to a missing buffer_write_dis().
Also, it was performed too late (after content switching rules).
diff --git a/src/session.c b/src/session.c
index 6983212..3e7484d 100644
--- a/src/session.c
+++ b/src/session.c
@@ -823,18 +823,18 @@
 						break;
 				}
 
-				if (s->req->analysers & AN_REQ_HTTP_INNER) {
-					last_ana |= AN_REQ_HTTP_INNER;
-					if (!http_process_request(s, s->req, AN_REQ_HTTP_INNER))
-						break;
-				}
-
 				if (s->req->analysers & AN_REQ_HTTP_TARPIT) {
 					last_ana |= AN_REQ_HTTP_TARPIT;
 					if (!http_process_tarpit(s, s->req, AN_REQ_HTTP_TARPIT))
 						break;
 				}
 
+				if (s->req->analysers & AN_REQ_HTTP_INNER) {
+					last_ana |= AN_REQ_HTTP_INNER;
+					if (!http_process_request(s, s->req, AN_REQ_HTTP_INNER))
+						break;
+				}
+
 				if (s->req->analysers & AN_REQ_HTTP_BODY) {
 					last_ana |= AN_REQ_HTTP_BODY;
 					if (!http_process_request_body(s, s->req, AN_REQ_HTTP_BODY))