resolv: IDNA tests: AAAA (28) is valid, no fallthrough to default

ChangeLog

@@ -1,3 +1,8 @@
+2019-01-10  Andreas K. Hüttel  <dilfridge@gentoo.org>
+
+	* resolv/tst-resolv-ai_idn-common.c (response): Avoid switch
+	fall-through.
+
 2019-01-09  Jim Wilson  <jimw@sifive.com>
 
 	* sysdeps/riscv/rv64/rvd/libm-test-ulps: Update.

resolv/tst-resolv-ai_idn-common.c

@@ -241,6 +241,7 @@ response (const struct resolv_response_context *ctx,
               qname[0] };
         resolv_response_add_data (b, &addr, sizeof (addr));
       }
+      break;
     default:
       FAIL_EXIT1 ("invalid qtype: %d", qtype);
     }