When we receive a "bad header" we must sure not to write down the data part

as well, as then we write the same data twice.

lib/transfer.c

@@ -817,7 +817,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
                                        k->hbuflen);
             k->badheader = FALSE; /* taken care of now */
           }
-
+          else {
             /* This switch handles various content encodings. If there's an
                error here, be sure to check over the almost identical code in
                http_chunk.c. 08/29/02 jhrg */
@@ -849,6 +849,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
               break;
             }
 #endif
+          }
 
           if(result)
             return result;