Fix build

Author: slandelle

client/src/main/java/org/asynchttpclient/handler/BodyDeferringAsyncHandler.java

@@ -140,7 +140,7 @@ public State onBodyPartReceived(HttpResponseBodyPart bodyPart) throws Exception
  headersArrived.countDown();
  }
 
- bodyPart.writeTo(output);
+ output.write(bodyPart.getBodyPartBytes());
  return State.CONTINUE;
  }
 

client/src/test/java/org/asynchttpclient/reactivestreams/ReactiveStreamsTest.java

@@ -133,7 +133,7 @@ public byte[] getBytes() throws Throwable {
  List<HttpResponseBodyPart> bodyParts = subscriber.getElements();
  ByteArrayOutputStream bytes = new ByteArrayOutputStream();
  for (HttpResponseBodyPart part : bodyParts) {
- part.writeTo(bytes);
+ bytes.write(part.getBodyPartBytes());
  }
  return bytes.toByteArray();
  }

client/src/test/java/org/asynchttpclient/request/body/ZeroCopyFileTest.java

@@ -123,7 +123,7 @@ public void onThrowable(Throwable t) {
  }
 
  public State onBodyPartReceived(HttpResponseBodyPart bodyPart) throws Exception {
- bodyPart.writeTo(stream);
+ stream.write(bodyPart.getBodyPartBytes());
  return State.CONTINUE;
  }
 
@@ -156,7 +156,7 @@ public void onThrowable(Throwable t) {
  }
 
  public State onBodyPartReceived(HttpResponseBodyPart bodyPart) throws Exception {
- bodyPart.writeTo(stream);
+ stream.write(bodyPart.getBodyPartBytes());
 
  if (bodyPart.getBodyPartBytes().length == 0) {
  return State.ABORT;