test/regress_http: initialize "dns_base" to avoid reading trash

Even though it is very unlikely, but it will better to fix this.

diff --git a/test/regress_http.c b/test/regress_http.c
index 4a025c3c8ef67b556e42067f46b159521b0a0a23..21bf8152fac3fdd71cbc55579518b13b54939dca 100644 (file)
--- a/test/regress_http.c
+++ b/test/regress_http.c
@@ -3459,7 +3459,7 @@ http_connection_retry_conn_address_test(void *arg)
 {
        struct basic_test_data *data = arg;
        ev_uint16_t portnum = 0;
-       struct evdns_base *dns_base;
+       struct evdns_base *dns_base = NULL;
        char address[64];
 
        tt_assert(regress_dnsserver(data->base, &portnum, search_table));