[src] Fixed implicit declaration of function zend_string_release_ex in php7.2, php7.1, php7.0
[src] Fixed implicit declaration of function zend_string_release_ex in php7.2, php7.1, php7.0

rryqszq4/ngx_php7,rryqszq4/ngx_php7,rryqszq4/ngx_php7,rryqszq4/ngx_php7,rryqszq4/php7-nginx-module,rryqszq4/ngx_php7