Fix compatibility with nginx-1.0.0 (too few zeros).
Fix compatibility with nginx-1.0.0 (too few zeros).

ainoya/ngx_cache_purge,FRiCKLE/ngx_cache_purge,ainoya/ngx_cache_purge,FRiCKLE/ngx_cache_purge,lilien1010/ngx_cache_purge,lilien1010/ngx_cache_purge