In a few places we use the fetcher code to fetch files outside of a
task, for example uninative in OE. In that case the pid of the event is
0 and that was causing an error in BBUIHelper.eventHandler(). Check the
pid and do nothing if it's 0.
(Bitbake rev: 59cb919e5cd5c653fb4d69b2d6a4320648443e10)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>