[gtk+/gtk-3-22] GdkWaylandWindow: Fix version numbers in export_handle() docs

[Mart Raudsepp <mraudsepp src gnome org>]

commit bb13421fd308313e6956052bd9544919d54c8d58
Author: Mart Raudsepp <leio gentoo org>
Date:   Thu Jun 22 05:35:36 2017 +0300

    GdkWaylandWindow: Fix version numbers in export_handle() docs
    
    This change appeared first in 3.22.16 release, not 3.22.13.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782325

 gdk/wayland/gdkwindow-wayland.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index d834666..ffc9f94 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -4105,11 +4105,11 @@ exported_idle (gpointer user_data)
  * to other processes. When the handle has been obtained, @callback
  * will be called.
  *
- * Up until 3.22.12 it was an error to call this function on a window that is
+ * Up until 3.22.15 it was an error to call this function on a window that is
  * already exported. When the handle is no longer needed,
  * gdk_wayland_window_unexport_handle() should be called to clean up resources.
  *
- * Starting with 3.22.13, calling this function on an already exported window
+ * Starting with 3.22.16, calling this function on an already exported window
  * will cause the callback to be invoked with the same handle as was already
  * invoked, from an idle callback. To unexport the window,
  * gdk_wayland_window_unexport_handle() must be called the same number of times