loci: support bsn_flow_checksum
diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index 635c41e..e7cc2a8 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -384,5 +384,6 @@
 #define LOCI_SHOW_u32_buckets_size(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 #define LOCI_SHOW_u32_entry_count(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 #define LOCI_SHOW_u32_num_aux(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
+#define LOCI_SHOW_u64_checksum(writer, cookie, val) LOCI_SHOW_u64(writer, cookie, val)
 
 #endif /* _LOCI_SHOW_H_ */