ecryptfs: use stub posix acl handlers

Now that ecryptfs supports the get and set acl inode operations and the
vfs has been switched to the new posi api, ecryptfs can simply rely on
the stub posix acl handlers.

Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>

fs/ecryptfs/inode.c

@@ -1210,6 +1210,10 @@ static const struct xattr_handler ecryptfs_xattr_handler = {
 };
 
 const struct xattr_handler *ecryptfs_xattr_handlers[] = {
+#ifdef CONFIG_FS_POSIX_ACL
+	&posix_acl_access_xattr_handler,
+	&posix_acl_default_xattr_handler,
+#endif
 	&ecryptfs_xattr_handler,
 	NULL
 };