input: chunk: add missing stream processor header
#include <fluent-bit/flb_input_chunk.h>
#include <fluent-bit/flb_storage.h>
#include <fluent-bit/flb_time.h>
+#include <fluent-bit/stream_processor/flb_sp.h>
static void generate_chunk_name(struct flb_input_instance *in,
char *out_buf, int buf_size)
