client: Update copyright date in "isr version" to 2008
client: Update copyright date in "isr version" to 2008

- Update copyright date printed by "isr version" to include 2008

cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr