[ostree] core: Fix uninitialized variable

[Colin Walters <walters src gnome org>]

commit da3b17be1e3ae1b221f6e9e5b2a7fd0463efda15
Author: Colin Walters <walters verbum org>
Date:   Wed Apr 25 18:25:40 2012 -0400

    core: Fix uninitialized variable

 src/libostree/ostree-traverse.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libostree/ostree-traverse.c b/src/libostree/ostree-traverse.c
index f35c83a..ba6a3d6 100644
--- a/src/libostree/ostree-traverse.c
+++ b/src/libostree/ostree-traverse.c
@@ -119,7 +119,7 @@ ostree_traverse_commit (OstreeRepo      *repo,
   ot_lvariant GVariant *parent_csum_bytes = NULL;
   ot_lvariant GVariant *meta_csum_bytes = NULL;
   ot_lvariant GVariant *content_csum_bytes = NULL;
-  ot_lvariant GVariant *key;
+  ot_lvariant GVariant *key = NULL;
   ot_lvariant GVariant *commit = NULL;
   ot_lfree char*tmp_checksum = NULL;