[ostree] repo: Don't set GPG engine executable path

[Colin Walters <walters src gnome org>]

commit 2ee2751fd1f05413d31814534639f1940a0364aa
Author: Colin Walters <walters verbum org>
Date:   Mon Feb 10 09:10:13 2014 -0500

    repo: Don't set GPG engine executable path
    
    The instructions one finds on the internets are apparently wrong, we
    really need to keep the default here, since gpgme uses it to actually
    find the helper binary it runs.
    
    This fixes the GPG tests for me on EL7 at least.

 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 aab625a..48787ca 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1581,7 +1581,7 @@ ostree_repo_sign_commit (OstreeRepo     *self,
   
   if (homedir != NULL)
     {
-      if ((err = gpgme_ctx_set_engine_info (context, info->protocol, "ostree", homedir))
+      if ((err = gpgme_ctx_set_engine_info (context, info->protocol, NULL, homedir))
           != GPG_ERR_NO_ERROR)
         {
           g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,