out_datadog: add missing headers
* limitations under the License.
*/
+#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_output.h>
#include <fluent-bit/flb_io.h>
#include <fluent-bit/flb_log.h>
#include <fluent-bit/flb_http_client.h>
#include <fluent-bit/flb_pack.h>
#include <fluent-bit/flb_time.h>
+#include <fluent-bit/flb_gzip.h>
#include <msgpack.h>
