Format cleanup.

repl/src/main/scala/spark/repl/SparkILoop.scala

@@ -832,7 +832,9 @@ class SparkILoop(in0: Option[BufferedReader], val out: PrintWriter, val master:
 
   def createSparkContext(): SparkContext = {
     val uri = System.getenv("SPARK_EXECUTOR_URI")
-    if (uri != null) System.setProperty("spark.executor.uri", uri)
+    if (uri != null) {
+      System.setProperty("spark.executor.uri", uri)
+    }
     val master = this.master match {
       case Some(m) => m
       case None => {