sched: style cleanup

fix up __setup() style bug - noticed via checkpatch.pl.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/sched.c b/kernel/sched.c
index 7fefd8a..10b7bed 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5680,7 +5680,7 @@
 	return 1;
 }
 
-__setup ("isolcpus=", isolated_cpu_setup);
+__setup("isolcpus=", isolated_cpu_setup);
 
 /*
  * init_sched_build_groups takes the cpumask we wish to span, and a pointer