fix backwards compatibility in xmlrpc_wrappers.inc
fix backwards compatibility in xmlrpc_wrappers.inc

howaichun/phpxmlrpc,howaichun/phpxmlrpc,gaetan-be/phpxmlrpc,dreibh/planetlab-lxc-plcapi,gaetan-be/phpxmlrpc,gaetan-be/phpxmlrpc,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,howaichun/phpxmlrpc,gaetan-be/phpxmlrpc,howaichun/phpxmlrpc