fix line length

Author: WangTaoTheTonic

core/src/main/scala/org/apache/spark/broadcast/HttpBroadcast.scala

@@ -153,7 +153,8 @@ private[broadcast] object HttpBroadcast extends Logging {
   private def createServer(conf: SparkConf) {
     broadcastDir = Utils.createTempDir(Utils.getLocalDir(conf))
     val broadcastPort = conf.getInt("spark.broadcast.port", 0)
-    server = new HttpServer(conf, broadcastDir, securityManager, broadcastPort, "HTTP broadcast server")
+    server =
+        new HttpServer(conf, broadcastDir, securityManager, broadcastPort, "HTTP broadcast server")
     server.start()
     serverUri = server.uri
     logInfo("Broadcast server started at " + serverUri)