HTTPCLIENT-974: RequestWrapper does not use the headers of the request it wraps

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@982361 13f79535-47bb-0310-9956-ffa450edef68

httpclient/src/main/java/org/apache/http/impl/client/RequestWrapper.java

@@ -69,6 +69,7 @@ public class RequestWrapper extends AbstractHttpMessage implements HttpUriReques
         }
         this.original = request;
         setParams(request.getParams());
+        setHeaders(request.getAllHeaders());
         // Make a copy of the original URI
         if (request instanceof HttpUriRequest) {
             this.uri = ((HttpUriRequest) request).getURI();