Ensure php_phongo_bson_visit_int64() has TSRMLS vars if needed
Ensure php_phongo_bson_visit_int64() has TSRMLS vars if needed

Fixes a 32-bit build error introduced in 22a39d68f3661438be6d6820faf508a5bc98d084 for PHPC-313

jmikola/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,mongodb-labs/mongo-php-driver-prototype,jmikola/mongo-php-driver-prototype,jmikola/mongo-php-driver,mongodb/mongo-php-driver,10gen-labs/mongo-php-driver-prototype,mongodb/mongo-php-driver,jmikola/mongo-php-driver,mongodb-labs/mongo-php-driver-prototype,mongodb-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,jmikola/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,derickr/mongo-php-driver,derickr/mongo-php-driver,jmikola/mongo-php-driver,derickr/mongo-php-driver-prototype,mongodb/mongo-php-driver,derickr/mongo-php-driver-prototype,derickr/mongo-php-driver,jmikola/mongo-php-driver,mongodb-labs/mongo-php-driver-prototype,jmikola/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,mongodb/mongo-php-driver,jmikola/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,mongodb-labs/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,jmikola/mongo-php-driver,derickr/mongo-php-driver,mongodb/mongo-php-driver