systemd: Also force base-10 for the strtol() call
systemd: Also force base-10 for the strtol() call

This call is used to parse a time value expressed in usec's, which is
always decimal.

Signed-off-by: Bryce Harrington <bdb14cfc1ab8d24e13de84adc40b41ae60c13bd1@osg.samsung.com>

sir-murray/weston,krezovic/weston,sir-murray/weston,krezovic/weston