Fix whitespaces

Author: Maciej Brynski

core/src/main/scala/org/apache/spark/rpc/netty/Dispatcher.scala

@@ -41,9 +41,9 @@ private[netty] class Dispatcher(nettyEnv: NettyRpcEnv) extends Logging {
     val inbox = new Inbox(ref, endpoint)
   }
 
-  private val endpoints: ConcurrentMap[String, EndpointData] = 
+  private val endpoints: ConcurrentMap[String, EndpointData] =
     new ConcurrentHashMap[String, EndpointData]
-  private val endpointRefs: ConcurrentMap[RpcEndpoint, RpcEndpointRef] = 
+  private val endpointRefs: ConcurrentMap[RpcEndpoint, RpcEndpointRef] =
     new ConcurrentHashMap[RpcEndpoint, RpcEndpointRef]
 
   // Track the receivers whose inboxes may contain messages.

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala

@@ -80,7 +80,7 @@ trait Catalog {
 }
 
 class SimpleCatalog(val conf: CatalystConf) extends Catalog {
-  private[this] val tables: ConcurrentMap[String, LogicalPlan] = 
+  private[this] val tables: ConcurrentMap[String, LogicalPlan] =
     new ConcurrentHashMap[String, LogicalPlan]
 
   override def registerTable(tableIdent: TableIdentifier, plan: LogicalPlan): Unit = {