posix_isatty() and posix_ttyname() will accept both integers and resources.

Fixes doc bug #67823 (posix_* $fd documented as int, should be resource).


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334543 c90b9560-bf6c-de11-be94-00142212c4b1