fixed problem with opening client and server. in some cases it

would fail to open in such a way that it could never succeed
but it'd never stop retrying.  now terminating when open fails
such that it'll never succeed.

lib/server/CMSWindowsPrimaryScreen.cpp

@@ -399,6 +399,7 @@ CMSWindowsPrimaryScreen::onPreOpen()
 	// initialize hook library
 	m_threadID = GetCurrentThreadId();
 	if (m_init(m_threadID) == 0) {
+		log((CLOG_ERR "cannot initialize hook library"));
 		throw XScreenOpenFailure();
 	}
 }