From: Alexander Larsson <alexl@redhat.com>
Date: Wed, 16 Sep 2020 13:54:03 +0000 (+0200)
Subject: signatures: Fix leak in _sign_detached_metadata_append()
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signatures: Fix leak in _sign_detached_metadata_append()

This needs to ref_sink the returned variant, as it is used with g_autoptr
in the callers.
---

diff --git a/src/libostree/ostree-sign.c b/src/libostree/ostree-sign.c
index ee7e928d..eeef96dd 100644
--- a/src/libostree/ostree-sign.c
+++ b/src/libostree/ostree-sign.c
@@ -365,7 +365,7 @@ _sign_detached_metadata_append (OstreeSign *self,
                                signature_key,
                                g_variant_builder_end (signature_builder));
 
-  return  g_variant_dict_end (&metadata_dict);
+  return  g_variant_ref_sink (g_variant_dict_end (&metadata_dict));
 }
 
 /**