status: Fix build without GPGME

If OSTREE_DISABLE_GPGME is not built in set remote to NULL.

The ostree_repo_signature_verify_commit_data path is irrelevant in the
no gpg case anyway. Having this set as NULL ensures an error gets
thrown early.

Signed-off-by: Eric Curtin <ecurtin@redhat.com>

src/ostree/ot-admin-builtin-status.c

@@ -152,6 +152,8 @@ deployment_print_status (OstreeSysroot *sysroot, OstreeRepo *repo, OstreeDeploym
 
       g_print ("%s", output_buffer->str);
     }
+#else
+  g_autofree char *remote = NULL;
 #endif /* OSTREE_DISABLE_GPGME */
   if (opt_verify)
     {