Without this, the compiler complains about a prototype mismatch and the build fails. Potentially send upstream

--- gcr-3.16.0/gcr/gcr-certificate-chain.h 2015-04-06 11:28:46.000000000 -0700

+++ gcr-3.16.0/gcr/gcr-certificate-chain.h 2015-05-27 15:23:54.276255958 -0700

@@ -90,14 +90,14 @@

gboolean gcr_certificate_chain_build (GcrCertificateChain *self,

const gchar *purpose,

const gchar *peer,

- guint flags,

+ GcrCertificateChainFlags flags,

GCancellable *cancellable,

GError **error);

void gcr_certificate_chain_build_async (GcrCertificateChain *self,

const gchar *purpose,

const gchar *peer,

- guint flags,

+ GcrCertificateChainFlags flags,

GCancellable *cancellable,

GAsyncReadyCallback callback,

gpointer user_data);