114700 sr=bienvenu. remove PR_Sleep call - not needed anymore.

mailnews/local/src/nsMailboxProtocol.cpp

@@ -322,7 +322,6 @@ NS_IMETHODIMP nsMailboxProtocol::OnStopRequest(nsIRequest *request, nsISupports
                 // then, we have to make sure the url keeps running somehow.
 			          nsCOMPtr<nsISupports> urlSupports = do_QueryInterface(m_runningUrl);
                 // put us in a state where we are always notified of incoming data
-                PR_Sleep(PR_MicrosecondsToInterval(500UL));
                 rv = m_transport->AsyncRead(this, urlSupports, msgKey, msgSize, 0, getter_AddRefs(m_request));
                 NS_ASSERTION(NS_SUCCEEDED(rv), "AsyncRead failed");
                 if (m_loadGroup)