silence 'may be used uninitialized' warning. [RT #45139]

(cherry picked from commit d1554926d0f2acd8be83630c70f7e732c35cbd64)

diff --git a/lib/dns/sdlz.c b/lib/dns/sdlz.c
index 9a0efa75383e593a5b4198ae3a7576603efefd2c..1568d774c8db1a444cad05b1acacb98fc3f9622b 100644 (file)
--- a/lib/dns/sdlz.c
+++ b/lib/dns/sdlz.c
@@ -1717,7 +1717,7 @@ dns_sdlzssumatch(dns_name_t *signer, dns_name_t *name, isc_netaddr_t *tcpaddr,
        char b_type[DNS_RDATATYPE_FORMATSIZE];
        char b_key[DST_KEY_FORMATSIZE];
        isc_buffer_t *tkey_token = NULL;
-       isc_region_t token_region;
+       isc_region_t token_region = { NULL, 0 };
        isc_uint32_t token_len = 0;
        isc_boolean_t ret;