[PATCH] unnecessary long index i in sched

Unless we expect to have more than 2G CPUs, there's no reason to have 'i'
as a long long here.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>