[mutter] clutter/device-manager: Small code cleanup

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 85b734fde8e14e0b2f22b090551776bfcaa6d0b7
Author: Olivier Fourdan <ofourdan redhat com>
Date:   Tue Apr 9 16:39:16 2019 +0200

    clutter/device-manager: Small code cleanup
    
    Use a `memcmp()` instead of checking every field in the structure to be
    equal, it's both faster and less error prone.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/531

 clutter/clutter/clutter-device-manager.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
---
diff --git a/clutter/clutter/clutter-device-manager.c b/clutter/clutter/clutter-device-manager.c
index 1800d01c4..c67638422 100644
--- a/clutter/clutter/clutter-device-manager.c
+++ b/clutter/clutter/clutter-device-manager.c
@@ -550,13 +550,7 @@ static gboolean
 are_kbd_a11y_settings_equal (ClutterKbdA11ySettings *a,
                              ClutterKbdA11ySettings *b)
 {
-  return (a->controls == b->controls &&
-          a->slowkeys_delay == b->slowkeys_delay &&
-          a->debounce_delay == b->debounce_delay &&
-          a->timeout_delay == b->timeout_delay &&
-          a->mousekeys_init_delay == b->mousekeys_init_delay &&
-          a->mousekeys_max_speed == b->mousekeys_max_speed &&
-          a->mousekeys_accel_time == b->mousekeys_accel_time);
+  return (memcmp (a, b, sizeof (ClutterKbdA11ySettings)) == 0);
 }
 
 void