libevdev: bump version to 1.4.3

>From [1]:
- tools: widen frequency resolution to µs in the DPI tool
- tools: complain about devices that don't have abs x/y axes in the edge detector
- include: update to 4.1 header

[1] http://lists.freedesktop.org/archives/input-tools/2015-June/001171.html



Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>