Change log of zero-length directory entries

[Schamper]

dissect.extfs/dissect/extfs/extfs.py

Lines 356 to 357 in d02ff9b

	if direntry.rec_len == 0:
	log.critical("Zero-length directory entry in %s (offset 0x%x)", self, offset)

How does the Linux kernel deal with this?

@lhaagsma I noticed you have a machine that has this, maybe we can investigate.