fix: returning out

Signed-off-by: Daeyeon Jeong [email protected]

lib/net.js

@@ -739,7 +739,7 @@ Socket.prototype._getpeername = function() {
     const out = {};
     const err = this._handle.getpeername(out);
     // FIXME(bnoordhuis) Throw when the return value is not 0?
-    if (err) return {};
+    if (err) return out;
     this._peername = out;
   }
   return this._peername;