Fix build when wayland backend enabled

Upstream-Status: Submitted
https://bugzilla.gnome.org/show_bug.cgi?id=710584

Author: Emilio Pozuelo Monfort

--- gtk+-3.10.7/gtk/gtkapplication.c
+++ gtk+-3.10.7/gtk/gtkapplication.c
@@ -144,7 +144,6 @@
 
   gboolean register_session;
 
-#ifdef GDK_WINDOWING_X11
   guint next_id;
 
   GDBusConnection *session_bus;
@@ -161,7 +160,6 @@
   GDBusProxy *client_proxy;
   gchar *app_id;
   gchar *client_path;
-#endif
 
 #ifdef GDK_WINDOWING_QUARTZ
   GMenu *combined;
@@ -299,6 +297,8 @@
   g_free (application->priv->client_path);
 }
 
+#endif
+
 const gchar *
 gtk_application_get_app_menu_object_path (GtkApplication *application)
 {
@@ -311,8 +311,6 @@
   return application->priv->menubar_path;
 }
 
-#endif
-
 #ifdef GDK_WINDOWING_QUARTZ
 
 typedef struct {