[gnome-flashback] common: Replace deprecated gdk_error_trap_pop

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 9ee0b15e9b0bb02e8a95c7d6d3de4d3ed982307d
Author: Ori Avtalion <ori avtalion name>
Date:   Sat Sep 1 21:33:42 2018 +0300

    common: Replace deprecated gdk_error_trap_pop

 gnome-flashback/libcommon/gf-keybindings.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gnome-flashback/libcommon/gf-keybindings.c b/gnome-flashback/libcommon/gf-keybindings.c
index 8313b05..d518b1a 100644
--- a/gnome-flashback/libcommon/gf-keybindings.c
+++ b/gnome-flashback/libcommon/gf-keybindings.c
@@ -158,10 +158,12 @@ change_keygrab (GfKeybindings *keybindings,
   guint keycode;
   guint mask;
   gint error_code;
+  GdkDisplay *display;
 
   ignored_mask = 0;
   keycode = keybinding->keycode;
   mask = keybinding->mask;
+  display = gdk_display_get_default ();
 
   if (keycode == 0)
     return;
@@ -174,7 +176,7 @@ change_keygrab (GfKeybindings *keybindings,
           continue;
         }
 
-      gdk_error_trap_push ();
+      gdk_x11_display_error_trap_push (display);
 
       if (grab)
         {
@@ -187,7 +189,7 @@ change_keygrab (GfKeybindings *keybindings,
                       keybindings->xwindow);
         }
 
-      error_code = gdk_error_trap_pop ();
+      error_code = gdk_x11_display_error_trap_pop (display);
       if (error_code != 0)
         {
           g_debug ("Failed to grab/ ungrab key. Error code - %d", error_code);