[ostree] libostree: Remove extra : in comment

[Colin Walters <walters src gnome org>]

commit 73ff642b150c743e5e8c9fbf4487cc7b0af91f24
Author: Colin Walters <walters verbum org>
Date:   Thu Oct 24 20:32:20 2013 -0400

    libostree: Remove extra : in comment
    
    g-ir-scanner handles this, but it stuck out.

 src/libostree/ostree-repo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index b13a245..eb5bc53 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1333,7 +1333,7 @@ ostree_repo_load_variant_if_exists (OstreeRepo       *self,
  * @self: Repo
  * @objtype: Expected object type
  * @sha256: Checksum string
- * @out_variant: (out): (transfer full): Metadata object
+ * @out_variant: (out) (transfer full): Metadata object
  * @error: Error
  *
  * Load the metadata object @sha256 of type @objtype, storing the