[ostree] admin: Silence a gcc warning

[Colin Walters <walters src gnome org>]

commit ce0fbbfdee72bbc81270589efc482e2b6844eabc
Author: Colin Walters <walters verbum org>
Date:   Thu Sep 12 14:34:38 2013 -0400

    admin: Silence a gcc warning
    
    It can't happen, but anyways.

 src/ostree/ot-admin-functions.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/ostree/ot-admin-functions.c b/src/ostree/ot-admin-functions.c
index a3f3902..92a181c 100644
--- a/src/ostree/ot-admin-functions.c
+++ b/src/ostree/ot-admin-functions.c
@@ -748,7 +748,7 @@ ot_admin_list_deployments (GFile               *sysroot,
   gs_unref_ptrarray GPtrArray *boot_loader_configs = NULL;
   gs_unref_ptrarray GPtrArray *ret_deployments = NULL;
   guint i;
-  int bootversion;
+  int bootversion = -1;
 
   if (!read_current_bootversion (sysroot, &bootversion, cancellable, error))
     goto out;