test/test-libudev.c: bring into line with upstream

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
libudev: ship the original MurmurHash2.[ch] file

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
test/test-udev.c: bring in line with upstream

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>