Changelog:
- Using Scalar::Util::reftype instead of just ref(), but mindful this time
about definedness to avoid warnings
(From OE-Core rev: 0a0f0a1ff2e9e3e5e90c51cd3ad72ca330bca02e)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>