[gtk+/wip/carlosg/private-event-structs] tests: Use GdkEvent API in some places

[Matthias Clasen <matthiasc src gnome org>]

commit 8f07e103779d6904c32e57119f3655f0318ceb0c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 26 14:30:13 2017 -0400

    tests: Use GdkEvent API in some places

 tests/testoverlay.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/testoverlay.c b/tests/testoverlay.c
index 9c3b001..a691d35 100644
--- a/tests/testoverlay.c
+++ b/tests/testoverlay.c
@@ -317,7 +317,7 @@ test_builder (void)
 static void
 on_enter (GtkWidget *overlay, GdkEventCrossing *event, GtkWidget *child)
 {
-  if (event->window != gtk_widget_get_window (child))
+  if (gdk_event_get_window ((GdkEvent*)event) != gtk_widget_get_window (child))
     return;
 
   if (gtk_widget_get_halign (child) == GTK_ALIGN_START)