Fixed when rebuild:
| NOTE: make prefix=/usr bindir_relative=bin libdir=lib NO_PYTHON=1 gui clean
| make: *** No rule to make target `sysroots/x86_64-linux/usr/lib/i586-poky-linux/gcc/i586-poky-linux/4.9.2/include/stddef.h', needed by `event-parse.o'. Stop.
| ERROR: oe_runmake failed
(From OE-Core rev: 6cb0e401f0bfc962eb9f57988fd93f0b0d43c79b)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>