[glib-networking] gnutls: Allow closing a connection cleanly if handshake fails

[Stefan Walter <stefw src gnome org>]

commit 0084d6b8bd8a0f82ba7fb2fc8550cbb2159df5e9
Author: Stef Walter <stefw gnome org>
Date:   Thu Nov 29 11:01:45 2012 +0100

    gnutls: Allow closing a connection cleanly if handshake fails
    
    Only set the internal ever_handshaked flag if the handshake was
    successful. Otherwise using g_io_stream_close() after a handshake
    failure results in an internal gnutls error.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689260

 tls/gnutls/gtlsconnection-gnutls.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/tls/gnutls/gtlsconnection-gnutls.c b/tls/gnutls/gtlsconnection-gnutls.c
index 2603532..e67329d 100644
--- a/tls/gnutls/gtlsconnection-gnutls.c
+++ b/tls/gnutls/gtlsconnection-gnutls.c
@@ -1082,12 +1082,15 @@ handshake_thread (GTask        *task,
   END_GNUTLS_IO (gnutls, G_IO_IN | G_IO_OUT, ret,
 		 _("Error performing TLS handshake: %s"), &error);
 
-  gnutls->priv->ever_handshaked = TRUE;
-
   if (error)
-    g_task_return_error (task, error);
+    {
+      g_task_return_error (task, error);
+    }
   else
-    g_task_return_boolean (task, TRUE);
+    {
+      gnutls->priv->ever_handshaked = TRUE;
+      g_task_return_boolean (task, TRUE);
+    }
 }
 
 static GTlsCertificate *