Small style clean-up

core/src/main/scala/spark/executor/Executor.scala

@@ -158,7 +158,7 @@ private[spark] class Executor(executorId: String, slaveHostname: String, propert
         case t: Throwable => {
           val serviceTime = (System.currentTimeMillis() - taskStart).toInt
           val metrics = attemptedTask.flatMap(t => t.metrics)
-          metrics.foreach{m =>
+          metrics.foreach {m =>
             m.executorRunTime = serviceTime
             m.jvmGCTime = getTotalGCTime - startGCTime
           }

core/src/main/scala/spark/scheduler/local/LocalScheduler.scala

@@ -218,7 +218,7 @@ private[spark] class LocalScheduler(threads: Int, val maxFailures: Int, val sc:
       case t: Throwable => {
         val serviceTime = System.currentTimeMillis() - taskStart
         val metrics = attemptedTask.flatMap(t => t.metrics)
-        metrics.foreach{ m =>
+        metrics.foreach {m =>
           m.executorRunTime = serviceTime.toInt
           m.jvmGCTime = getTotalGCTime - startGCTime
         }