[gtk+] im context simple: Use GdkEvent API

[Carlos Garnacho <carlosg src gnome org>]

commit b99c3d33ecc56d89d80e9609f30171a2dbc7f757
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 26 10:55:35 2017 -0400

    im context simple: Use GdkEvent API

 gtk/gtkimcontextsimple.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkimcontextsimple.c b/gtk/gtkimcontextsimple.c
index 04e5958..cfc7b69 100644
--- a/gtk/gtkimcontextsimple.c
+++ b/gtk/gtkimcontextsimple.c
@@ -1054,7 +1054,7 @@ no_sequence_matches (GtkIMContextSimple *context_simple,
       for (i=0; i < n_compose - len - 1; i++)
        {
          GdkEvent *tmp_event = gdk_event_copy ((GdkEvent *)event);
-         tmp_event->key.keyval = priv->compose_buffer[len + i];
+          gdk_event_set_keyval (tmp_event, priv->compose_buffer[len + i]);
          
          gtk_im_context_filter_keypress (context, (GdkEventKey *)tmp_event);
          gdk_event_free (tmp_event);