dns: set timeout to 1000ms when timeout < 0

Author: theanarkh

src/cares_wrap.cc

@@ -902,8 +902,7 @@ void ChannelWrap::StartTimer() {
     return;
   }
   int timeout = timeout_;
-  if (timeout == 0) timeout = 1;
-  if (timeout < 0 || timeout > 1000) timeout = 1000;
+  if (timeout <= 0 || timeout > 1000) timeout = 1000;
   uv_timer_start(timer_handle_, AresTimeout, timeout, timeout);
 }