[metacity] display: fix copy/paste typo

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 583238db1e8482d022940199ec57b9169863314a
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Feb 27 17:55:29 2017 +0200

    display: fix copy/paste typo

 src/core/display.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index db8d467..c9edc5c 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -2126,7 +2126,7 @@ event_callback (XEvent   *event,
         MetaScreen *screen;
 
         screen = meta_display_screen_for_root (display,
-                                               event->xconfigure.event);
+                                               event->xreparent.event);
 
         if (screen)
           meta_stack_tracker_reparent_event (screen->stack_tracker,