Emit the generic build-complete signal when a command fails with an exit
signal enabling the UI to update itself accordingly.
Addresses [YOCTO #1265]
(Bitbake rev: 25ec13075855f7e321a9763682a8cd4ca09203cd)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>