Fix typo post-refactor

lib/peer.js

@@ -199,15 +199,15 @@ Peer.prototype.onClose = function (torrent) {
   if (torrent.destroyed || torrent.done) return
 
   if (self.retries >= RECONNECT_WAIT.length) {
-    self._debug(
+    debug(
       'conn %s closed: will not re-add (max %s attempts)',
       self.addr, RECONNECT_WAIT.length
     )
     return
   }
 
   var ms = RECONNECT_WAIT[self.retries]
-  self._debug(
+  debug(
     'conn %s closed: will re-add to queue in %sms (attempt %s)',
     self.addr, ms, self.retries + 1
   )