silence compiler warning

(cherry picked from commit 37a931d774f4ddfd1a87097eca1588cb304145f7)

diff --git a/lib/dns/master.c b/lib/dns/master.c
index 490417a2a96732904f3240d1e0487bf379563970..b5b92ab2d5ab5be0b86f55a7471743980c00e9d2 100644 (file)
--- a/lib/dns/master.c
+++ b/lib/dns/master.c
@@ -2112,7 +2112,7 @@ read_and_check(isc_boolean_t do_read, isc_buffer_t *buffer,
                isc_buffer_add(buffer, (unsigned int)len);
                if (*totallen < len)
                        return (ISC_R_RANGE);
-               *totallen -= len;
+               *totallen -= (isc_uint32_t)len;
        } else if (isc_buffer_remaininglength(buffer) < len)
                return (ISC_R_RANGE);
 
@@ -2296,7 +2296,7 @@ load_raw(dns_loadctx_t *lctx) {
                if (result != ISC_R_SUCCESS)
                        goto cleanup;
                isc_buffer_add(&target, (unsigned int)readlen);
-               totallen -= readlen;
+               totallen -= (isc_uint32_t)readlen;
 
                /* Construct RRset headers */
                dns_rdatalist_init(&rdatalist);