next try to fix for http://forum.yacy-websuche.de/viewtopic.php?f=6&t=3193&start=0&sid=b98aa9a7466397602b436eb45f4a9d39

tested proxy, crawl, updatedownload - please do further testing!

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7524 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/cora/protocol/http/HTTPClient.java

@@ -504,7 +504,7 @@ public class HTTPClient {
     private void setHeaders(final HttpUriRequest httpUriRequest) {
     	if (headers != null) {
             for (final Header header : headers) {
-                    httpUriRequest.addHeader(header);
+                    httpUriRequest.setHeader(header);
             }
     	}
         if (realm != null)