Not only break when not in a loop is undefined, different
shells do different things when they see it.
(From OE-Core rev: 11c034b427c4d44f4013fa4ddf7c3d1264bab219)
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>