[gtk+] quartz: Fix another typo

[Matthias Clasen <matthiasc src gnome org>]

commit e02924a77da1c38a652e6b5004366d4edf406786
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 10 07:26:05 2017 -0500

    quartz: Fix another typo

 gdk/quartz/gdkwindow-quartz.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/quartz/gdkwindow-quartz.c b/gdk/quartz/gdkwindow-quartz.c
index 803d3b9..aa10496 100644
--- a/gdk/quartz/gdkwindow-quartz.c
+++ b/gdk/quartz/gdkwindow-quartz.c
@@ -2329,7 +2329,7 @@ gdk_quartz_window_set_functions (GdkWindow    *window,
 
   g_return_if_fail (GDK_IS_WINDOW (window));
 
-  imple = GDK_WINDOW_IMPL_QUARTZ (window->impl);
+  impl = GDK_WINDOW_IMPL_QUARTZ (window->impl);
 
   if (functions & GDK_FUNC_ALL)
     {