Fix printf format warnings on machines where size_t != long int.
Fix printf format warnings on machines where size_t != long int.

bd808/pecl-file_formats-yaml,Sean-Der/pecl-file_formats-yaml,bd808/pecl-file_formats-yaml,Danack/PeclYaml,php/pecl-file_formats-yaml,bd808/pecl-file_formats-yaml,php/pecl-file_formats-yaml,php/pecl-file_formats-yaml,php/pecl-file_formats-yaml,Danack/PeclYaml,Danack/PeclYaml,Sean-Der/pecl-file_formats-yaml,bd808/pecl-file_formats-yaml,Sean-Der/pecl-file_formats-yaml