silence compiler, explict coversion

diff --git a/lib/dns/ncache.c b/lib/dns/ncache.c
index d1b97444c08a49d201eff36d0324383b21079761..eaa546db8b7aa52c0eb3207fabdbec53fbb5e913 100644 (file)
--- a/lib/dns/ncache.c
+++ b/lib/dns/ncache.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ncache.c,v 1.49 2010/05/19 06:39:50 marka Exp $ */
+/* $Id: ncache.c,v 1.50 2010/05/19 09:52:42 marka Exp $ */
 
 /*! \file */
 
@@ -268,7 +268,7 @@ dns_ncache_addoptout(dns_message_t *message, dns_db_t *cache,
                        trust = dns_trust_authauthority;
                } else
                        trust = dns_trust_additional;
-               isc_buffer_putuint8(&buffer, trust);    /* trust */
+               isc_buffer_putuint8(&buffer, (unsigned char)trust); /* trust */
                isc_buffer_putuint16(&buffer, 0);       /* count */
 
                /*