update .gitignore

hc

2024-03-26 e9199a72d842cbda78ac614eee5db7cdaa6f2530

1
fs/overlayfs/super.o fs/overlayfs/namei.o fs/overlayfs/util.o fs/overlayfs/inode.o fs/overlayfs/file.o fs/overlayfs/dir.o fs/overlayfs/readdir.o fs/overlayfs/copy_up.o fs/overlayfs/export.o