Fixes [1] when building with musl:
find_event_devices.c: In function 'find_event_devices':
find_event_devices.c:60:14: error: 'PATH_MAX' undeclared (first use in this function)
char fname[PATH_MAX];
^~~~~~~~
[1] http://autobuild.buildroot.net/results/607/607bb29231f80a138e1b5423bc01c89e36efe78c/
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
