sched: small sched_debug cleanup

small kernel/sched_debug.c cleanup - break up
multi-variable assignment.

no code changed:

   text    data     bss     dec     hex filename
   38869    3550      24   42443    a5cb sched.o.before
   38869    3550      24   42443    a5cb sched.o.after

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>

kernel/sched_debug.c

@@ -279,9 +279,13 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
 void proc_sched_set_task(struct task_struct *p)
 {
 #ifdef CONFIG_SCHEDSTATS
-	p->se.sleep_max = p->se.block_max = p->se.exec_max = p->se.wait_max = 0;
-	p->se.wait_runtime_overruns = p->se.wait_runtime_underruns = 0;
+	p->se.sleep_max			= 0;
+	p->se.block_max			= 0;
+	p->se.exec_max			= 0;
+	p->se.wait_max			= 0;
+	p->se.wait_runtime_overruns	= 0;
+	p->se.wait_runtime_underruns	= 0;
 #endif
-	p->se.sum_exec_runtime = 0;
+	p->se.sum_exec_runtime		= 0;
 	p->se.prev_sum_exec_runtime	= 0;
 }