post-W7 cleanup

src/linux_fastcgi.cpp

@@ -982,6 +982,7 @@ void run_ws_broker()
 	close_inherited_server_sockets();   // drop the worker listeners we inherited
 	install_process_fault_handlers();
 	ws_broker.calls_until_termination = -1;
+	ws_broker.http_document_root = first(server_state.config["HTTP_DOCUMENT_ROOT"], path_join(server_state.config["COMPILER_SYS_PATH"], server_state.config["SITE_DIRECTORY"]));
 	// The broker renders nothing itself, so accept every request through to
 	// on_complete (it either forwards to the pool or applies a ws_* batch).
 	ws_broker.on_request = [](FastCGIRequest&) { return 0; };