This is a simple fix, <limits.h> just needs to be included before PATH_MAX is
used.
(From OE-Core rev: 7825fb5cec8c588fce1afa34388381670763b6a1)
Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>