Fixed a error on PHP 7.
Fixed a error on PHP 7.

remicollet/hprose-pecl,remicollet/hprose-pecl,hprose/hprose-pecl,hprose/hprose-pecl,remicollet/hprose-pecl,remicollet/hprose-pecl,hprose/hprose-pecl,remicollet/hprose-pecl,hprose/hprose-pecl,hprose/hprose-pecl