ACPI: thinkpad-acpi: bump up version to 0.18

The NVRAM polling support for hot keys is reason enough to
bump up the version string.  Do it.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
2 files changed