Fix indentation.

core/src/main/scala/org/apache/spark/SparkContext.scala

@@ -455,7 +455,7 @@ class SparkContext(config: SparkConf) extends Logging {
   /** Distribute a local Scala collection to form an RDD, with one or more
     * location preferences (hostnames of Spark nodes) for each object.
     * Create a new partition for each collection item. */
-   def makeRDD[T: ClassTag](seq: Seq[(T, Seq[String])]): RDD[T] = {
+  def makeRDD[T: ClassTag](seq: Seq[(T, Seq[String])]): RDD[T] = {
     val indexToPrefs = seq.zipWithIndex.map(t => (t._2, t._1._2)).toMap
     new ParallelCollectionRDD[T](this, seq.map(_._1), seq.size, indexToPrefs)
   }