[libsoup] misc-test: skip the IPv6 server test if there's no IPv6 support

[Dan Winship <danw src gnome org>]

commit ce2043a7a81d2d8c9fba3b87a03df52df99e4115
Author: Dan Winship <danw gnome org>
Date:   Thu Apr 18 15:40:55 2013 -0400

    misc-test: skip the IPv6 server test if there's no IPv6 support
    
    https://bugzilla.gnome.org/show_bug.cgi?id=698220

 tests/misc-test.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/tests/misc-test.c b/tests/misc-test.c
index a9150a1..39ee960 100644
--- a/tests/misc-test.c
+++ b/tests/misc-test.c
@@ -1110,6 +1110,11 @@ do_ipv6_test (void)
        ipv6_server = soup_server_new (SOUP_SERVER_INTERFACE, ipv6_addr,
                                       NULL);
        g_object_unref (ipv6_addr);
+       if (!ipv6_server) {
+               debug_printf (1, "  skipping due to lack of IPv6 support\n");
+               return;
+       }
+
        soup_server_add_handler (ipv6_server, NULL, ipv6_server_callback, NULL, NULL);
        soup_server_run_async (ipv6_server);