sched: Fix minor code style issues

Delete redudant spaces between type name and data name or operators.
Signed-off-by: NYing Xue <ying.xue0@gmail.com>
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1342076622-6606-1-git-send-email-ying.xue0@gmail.comSigned-off-by: NIngo Molnar <mingo@kernel.org>