Fix change in RestChannel

RestChannel has changed with this PR: elastic/elasticsearch#10117

Closes #38.
(cherry picked from commit 5d8ec9b)
(cherry picked from commit 6873b43)

src/main/java/org/elasticsearch/memcached/netty/MemcachedRestChannel.java

@@ -53,7 +53,7 @@ public class MemcachedRestChannel extends RestChannel {
     private final Channel channel;
 
     public MemcachedRestChannel(Channel channel, org.elasticsearch.rest.RestRequest request) {
-        super(request);
+        super(request, true);
         this.channel = channel;
     }