silence clang warning

diff --git a/lib/dns/include/dns/nsec3.h b/lib/dns/include/dns/nsec3.h
index e4a22868a2db7abd9bd4be05fd3d50c8c4950ad0..a20ee3786337a257079c7ae729eb57e9586a99b5 100644 (file)
--- a/lib/dns/include/dns/nsec3.h
+++ b/lib/dns/include/dns/nsec3.h
@@ -43,7 +43,7 @@
 /*
  * Test "unknown" algorithm.  Is mapped to dns_hash_sha1.
  */
-#define DNS_NSEC3_UNKNOWNALG 245U
+#define DNS_NSEC3_UNKNOWNALG ((dns_hash_t)245U)
 
 ISC_LANG_BEGINDECLS