[mutter/wip/carlosg/there-can-be-only-one: 147/151] backends: Make meta_backend_update_last_device() private

[Carlos Garnacho <carlosg src gnome org>]

commit 61776b6de7b6b52c59ece85f4216932c975d2f3e
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Jan 13 14:08:07 2022 +0100

    backends: Make meta_backend_update_last_device() private
    
    This is now handled entirely in the backend, no need to export this
    function.

 src/backends/meta-backend-private.h | 3 ---
 src/backends/meta-backend.c         | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/src/backends/meta-backend-private.h b/src/backends/meta-backend-private.h
index 9d88d8a58e..00ec8ba6a9 100644
--- a/src/backends/meta-backend-private.h
+++ b/src/backends/meta-backend-private.h
@@ -162,9 +162,6 @@ xkb_layout_index_t meta_backend_get_keymap_layout_group (MetaBackend *backend);
 
 gboolean meta_backend_is_lid_closed (MetaBackend *backend);
 
-void meta_backend_update_last_device (MetaBackend        *backend,
-                                      ClutterInputDevice *device);
-
 MetaPointerConstraint * meta_backend_get_client_pointer_constraint (MetaBackend *backend);
 void meta_backend_set_client_pointer_constraint (MetaBackend *backend,
                                                  MetaPointerConstraint *constraint);
diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index 5796856ff3..e621acf8bc 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -381,7 +381,7 @@ update_last_device (MetaBackend *backend)
   return G_SOURCE_REMOVE;
 }
 
-void
+static void
 meta_backend_update_last_device (MetaBackend        *backend,
                                  ClutterInputDevice *device)
 {