Bug 643291 - chnage nshttpcompressconv NS_ERROR to NS_WARNING for data input error r=honzab

--HG--
extra : rebase_source : 14dbf0bc5cd5acbc1c525f7c8f19282c494e24f7

netwerk/streamconv/converters/nsHTTPCompressConv.cpp

@@ -264,7 +264,8 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
 
                         // stop an endless loop caused by non-deflate data being labelled as deflate
                         if (mDummyStreamInitialised) {
-                            NS_ERROR("endless loop detected");
+                            NS_WARNING("endless loop detected"
+                                       " - invalid deflate");
                             return NS_ERROR_INVALID_CONTENT_ENCODING;
                         }
                         mDummyStreamInitialised = PR_TRUE;