Changelog:
===========
- Don't crash when attempting to hashing symlinks with targets that point to
a directory.
(From OE-Core rev: 6f21fa5bb71349a5cf6b6fd71548f78c3421ff22)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
