[mutter] wayland: Rename subsurface commit role function

[Jonas Ådahl <jadahl src gnome org>]

commit 5e54f322ab54a06b004eb9133b6c2731c8c14995
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Mar 4 12:13:18 2016 +0800

    wayland: Rename subsurface commit role function
    
    This is to make it obvious it is an implementation of a role class
    vfunc.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763431

 src/wayland/meta-wayland-surface.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 5d1035a..d3580a0 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -527,8 +527,8 @@ meta_wayland_pending_state_class_init (MetaWaylandPendingStateClass *klass)
 }
 
 static void
-subsurface_surface_commit (MetaWaylandSurfaceRole  *surface_role,
-                           MetaWaylandPendingState *pending)
+subsurface_role_commit (MetaWaylandSurfaceRole  *surface_role,
+                        MetaWaylandPendingState *pending)
 {
   MetaWaylandSurface *surface =
     meta_wayland_surface_role_get_surface (surface_role);
@@ -2055,7 +2055,7 @@ meta_wayland_surface_role_subsurface_class_init (MetaWaylandSurfaceRoleSubsurfac
   MetaWaylandSurfaceRoleClass *surface_role_class =
     META_WAYLAND_SURFACE_ROLE_CLASS (klass);
 
-  surface_role_class->commit = subsurface_surface_commit;
+  surface_role_class->commit = subsurface_role_commit;
 }
 
 cairo_region_t *