[libsecret] secret-session: Avoid double-free in service_encode_plain_secret()

[Daiki Ueno <dueno src gnome org>]

commit 9ca8f323a9c09ce0799833e9df9a4f23ab61945f
Author: Daiki Ueno <dueno src gnome org>
Date:   Fri Jul 20 10:57:14 2018 +0200

    secret-session: Avoid double-free in service_encode_plain_secret()
    
    As g_variant_builder_add_value() takes ownership of a floating
    GVariant, we don't need to unref it afterwards.

 libsecret/secret-session.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/libsecret/secret-session.c b/libsecret/secret-session.c
index 43bee9f..1860155 100644
--- a/libsecret/secret-session.c
+++ b/libsecret/secret-session.c
@@ -612,12 +612,10 @@ service_encode_plain_secret (SecretSession *session,
 
        child = g_variant_new_from_data (G_VARIANT_TYPE ("ay"), "", 0, TRUE, NULL, NULL);
        g_variant_builder_add_value (builder, child);
-       g_variant_unref (child);
 
        child = g_variant_new_from_data (G_VARIANT_TYPE ("ay"), secret, n_secret, TRUE,
                                         secret_value_unref, secret_value_ref (value));
        g_variant_builder_add_value (builder, child);
-       g_variant_unref (child);
 
        g_variant_builder_add (builder, "s", secret_value_get_content_type (value));
        return TRUE;