This patch is old. We use cmake for building expat now and libtool isn't even
used. The upstream author asked questions about it and can clearly be dropped
so do so.
(From OE-Core rev: 2988a10ac4767ef8db21715124dda6f294448d2a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>