fuse: add __exit to fuse_ctl_cleanup

fuse_ctl_cleanup is only called by __exit fuse_exit

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

fs/fuse/control.c

@@ -348,7 +348,7 @@ int __init fuse_ctl_init(void)
 	return register_filesystem(&fuse_ctl_fs_type);
 }
 
-void fuse_ctl_cleanup(void)
+void __exit fuse_ctl_cleanup(void)
 {
 	unregister_filesystem(&fuse_ctl_fs_type);
 }