[glib-networking] Remove fallback for missing GNUTLS_E_PREMATURE_TERMINATION

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 8fbf10871708979077742674e5418f444f58b88a
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Thu Feb 8 00:13:18 2018 -0600

    Remove fallback for missing GNUTLS_E_PREMATURE_TERMINATION
    
    GNUTLS_E_PREMATURE_TERMINATION was added in GnuTLS 3.0.18, released in
    April 2012. We depend on GnuTLS 3.3 already, and will need to bump to
    3.4 soon.

 tls/gnutls/gtlsconnection-gnutls.c |   16 +---------------
 1 files changed, 1 insertions(+), 15 deletions(-)
---
diff --git a/tls/gnutls/gtlsconnection-gnutls.c b/tls/gnutls/gtlsconnection-gnutls.c
index b577d22..5c061f7 100644
--- a/tls/gnutls/gtlsconnection-gnutls.c
+++ b/tls/gnutls/gtlsconnection-gnutls.c
@@ -224,10 +224,6 @@ typedef struct
   gint64        write_timeout;
   GError       *write_error;
   GCancellable *write_cancellable;
-
-#ifndef GNUTLS_E_PREMATURE_TERMINATION
-  gboolean eof;
-#endif
 } GTlsConnectionGnutlsPrivate;
 
 G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GTlsConnectionGnutls, g_tls_connection_gnutls, G_TYPE_TLS_CONNECTION,
@@ -981,13 +977,7 @@ end_gnutls_io (GTlsConnectionGnutls  *gnutls,
       g_mutex_unlock (&priv->op_mutex);
       return status;
     }
-  else if (
-#ifdef GNUTLS_E_PREMATURE_TERMINATION
-           status == GNUTLS_E_PREMATURE_TERMINATION
-#else
-           status == GNUTLS_E_UNEXPECTED_PACKET_LENGTH && priv->eof
-#endif
-           )
+  else if (status == GNUTLS_E_PREMATURE_TERMINATION)
     {
       if (priv->handshaking && !priv->ever_handshaked)
         {
@@ -1488,10 +1478,6 @@ g_tls_connection_gnutls_pull_func (gnutls_transport_ptr_t  transport_data,
 
   if (ret < 0)
     set_gnutls_error (gnutls, priv->read_error);
-#ifndef GNUTLS_E_PREMATURE_TERMINATION
-  else if (ret == 0)
-    priv->eof = TRUE;
-#endif
 
   return ret;
 }