Avoid error in TLS connections due to incorrect format

* src/gnutls.c (Fgnutls_boot): Use the %x conversion specifier in
the call to 'error', instead of the unsupported %u.  Reported by
lo2net <fangtao0901@gmail.com>.  (Bug#20908)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gnutls.c b/src/gnutls.c
index cab24048e56..864cac5f511 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -1512,7 +1512,7 @@ one trustfile (usually a CA bundle).  */)
           || !NILP (Fmember (QCgnutls_bootprop_trustfiles, verify_error)))
         {
           emacs_gnutls_deinit (proc);
-          error ("Certificate validation failed %s, verification code %u",
+          error ("Certificate validation failed %s, verification code %x",
                  c_hostname, peer_verification);
         }
       else