PHP: adopted "file_handle" to Zend API changes in 8.1.0-dev.
PHP: adopted "file_handle" to Zend API changes in 8.1.0-dev.

This fixes building module with the development version of PHP after the change:
https://github.com/php/php-src/commit/c732ab400af92c54eee47c487a56009f1d79dd5d

nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit,nginx/unit