bug 687243 - websockets message len 0xffff does not use minimal length encoding r=jduell

netwerk/protocol/websocket/WebSocketChannel.cpp

@@ -1263,7 +1263,7 @@ WebSocketChannel::PrimeNewOutgoingMessage()
     if (mCurrentOut->Length() < 126) {
       mOutHeader[1] = mCurrentOut->Length() | kMaskBit;
       mHdrOutToSend = 6;
-    } else if (mCurrentOut->Length() < 0xffff) {
+    } else if (mCurrentOut->Length() <= 0xffff) {
       mOutHeader[1] = 126 | kMaskBit;
       ((PRUint16 *)mOutHeader)[1] =
         PR_htons(mCurrentOut->Length());