Set NettyResponseFuture#isDone before invoking abort callbacks, close AsyncHttpClient#1368 (AsyncHttpClient#1370)

Author: joedj

client/src/main/java/org/asynchttpclient/netty/NettyResponseFuture.java

@@ -237,11 +237,11 @@ public final void done() {
 
     public final void abort(final Throwable t) {
 
-        future.completeExceptionally(t);
-
         if (terminateAndExit())
             return;
 
+        future.completeExceptionally(t);
+
         if (onThrowableCalledField.compareAndSet(this, 0, 1)) {
             try {
                 asyncHandler.onThrowable(t);