out_es: fix setting generate_id where it creates corrupted JSON output
#include <inttypes.h>
#define ES_BULK_CHUNK 4096 /* Size of buffer chunks */
-#define ES_BULK_HEADER 128 /* ES Bulk API prefix line */
+#define ES_BULK_HEADER 165 /* ES Bulk API prefix line */
#define ES_BULK_INDEX_FMT "{\"index\":{\"_index\":\"%s\",\"_type\":\"%s\"}}\n"
#define ES_BULK_INDEX_FMT_ID "{\"index\":{\"_index\":\"%s\",\"_type\":\"%s\",\"_id\":\"%s\"}}\n"
