Support very old GNUTLS versions.

In very old GNUTLS versions, we had to write any errors to errno,
instead of using GNUTLS functions to set a session specific error.

diff --git a/hcconn_ssl.c b/hcconn_ssl.c
index 57fa9ab..0cd7132 100644 (file)
--- a/hcconn_ssl.c
+++ b/hcconn_ssl.c
@@ -140,7 +140,7 @@ ssl_pull (gnutls_transport_ptr_t ptr, void *buffer, size_t len)
     }
   if (r == 0)
     {
-      gnutls_transport_set_global_errno (EAGAIN);
+      errno = (EAGAIN);
       return -1;
     }
   return r;