[MEDIUM] don't limit peers nor stats socket to maxconn nor maxconnrate

The peers and the stats socket are control sockets, they must not be
limited by traffic rules.
diff --git a/src/peers.c b/src/peers.c
index 26a3154..bbe99d4 100644
--- a/src/peers.c
+++ b/src/peers.c
@@ -1271,7 +1271,8 @@
 	l->nbconn++; /* warning! right now, it's up to the handler to decrease this */
 	p->feconn++;/* beconn will be increased later */
 	jobs++;
-	actconn++;
+	if (!(s->listener->options & LI_O_UNLIMITED))
+		actconn++;
 	totalconn++;
 
 	return s;