[metacity/gnome-3-22] menu: avoid deprecation warnings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit de8bb6198101b82868d0e84e86c2c451a6d5a145
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Oct 24 19:00:08 2016 +0300

    menu: avoid deprecation warnings

 src/ui/menu.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/ui/menu.c b/src/ui/menu.c
index 5fdaca2..2f3cdf2 100644
--- a/src/ui/menu.c
+++ b/src/ui/menu.c
@@ -121,8 +121,10 @@ popup_position_func (GtkMenu   *menu,
     *x = MAX (0, *x - req.width);
 
   /* Ensure onscreen */
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   *x = CLAMP (*x, 0, MAX (0, gdk_screen_width () - req.width));
   *y = CLAMP (*y, 0, MAX (0, gdk_screen_height () - req.height));
+  G_GNUC_END_IGNORE_DEPRECATIONS
 }
 
 static void