set errno from curl_multi_info_read() and http_code when timeout occurs


git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@52563 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
simpletest start 


git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@52568 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0