application: Fix build without x11

diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index 8758fc3b852eb4e2c59af330c3d9f9a20decc79f..33a1b61b5269853e0c2eb33774648f2f08627652 100644 (file)
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -502,7 +502,9 @@ gtk_application_init (GtkApplication *application)
                                                    GTK_TYPE_APPLICATION,
                                                    GtkApplicationPrivate);
 
+#ifdef GDK_WINDOWING_X11
   application->priv->next_id = 1;
+#endif
 }
 
 static void