Temporarily fixing the assert which I think is ok, but would let rpotts confirm it.

netwerk/protocol/http/src/nsHTTPResponseListener.cpp

@@ -61,7 +61,9 @@ nsHTTPResponseListener::nsHTTPResponseListener(nsHTTPChannel* aConnection):
 {
     NS_INIT_REFCNT();
 
+#ifdef DEBUG_rpotts
     NS_ASSERTION(m_pConnection, "HTTPChannel is null.");
+#endif
     m_pConnection = aConnection;
     NS_IF_ADDREF(m_pConnection);