[gtk+] wayland: Make gdk_display_get_name work

[Matthias Clasen <matthiasc src gnome org>]

commit 55ea6e4dcc4bbe6c7fc40c8e814ad2ee99b3b2e2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 1 10:51:41 2016 -0400

    wayland: Make gdk_display_get_name work
    
    It should just return the same as gdk_screen_make_display_name.

 gdk/wayland/gdkdisplay-wayland.c |    8 +++++++-
 gdk/wayland/gdkscreen-wayland.c  |    8 +-------
 2 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 8f6a398..7b54c77 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -606,7 +606,13 @@ gdk_wayland_display_finalize (GObject *object)
 static const gchar *
 gdk_wayland_display_get_name (GdkDisplay *display)
 {
-  return "Wayland";
+  const gchar *name;
+
+  name = g_getenv ("WAYLAND_DISPLAY");
+  if (name == NULL)
+    name = "wayland-0";
+
+  return name;
 }
 
 static GdkScreen *
diff --git a/gdk/wayland/gdkscreen-wayland.c b/gdk/wayland/gdkscreen-wayland.c
index ff2ab19..c72c155 100644
--- a/gdk/wayland/gdkscreen-wayland.c
+++ b/gdk/wayland/gdkscreen-wayland.c
@@ -171,13 +171,7 @@ gdk_wayland_screen_is_composited (GdkScreen *screen)
 static gchar *
 gdk_wayland_screen_make_display_name (GdkScreen *screen)
 {
-  const gchar *name;
-
-  name = g_getenv ("WAYLAND_DISPLAY");
-  if (name == NULL)
-    name = "wayland-0";
-
-  return g_strdup (name);
+  return g_strdup (gdk_display_get_name (GDK_WAYLAND_SCREEN (screen)->display));
 }
 
 static GdkWindow *