Fix Scalastyle failures

Author: Mridul Muralidharan

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

@@ -114,7 +114,8 @@ private[spark] class SparkSaslClient(securityMgr: SecurityManager)  extends Logg
       SparkSaslServer.encodeIdentifier(securityMgr.getSaslUser().getBytes("utf-8"))
     private val secretKey = securityMgr.getSecretKey()
     private val userPassword: Array[Char] =
-      SparkSaslServer.encodePassword(if (secretKey != null) secretKey.getBytes("utf-8") else "".getBytes("utf-8"))
+      SparkSaslServer.encodePassword(if (secretKey != null) secretKey.getBytes("utf-8") else 
+        "".getBytes("utf-8"))
 
     /**
      * Implementation used to respond to SASL request from the server.

core/src/main/scala/org/apache/spark/util/Utils.scala

@@ -1021,8 +1021,8 @@ private[spark] object Utils extends Logging {
       "ln -sf "
     }
     import scala.sys.process._
-    (linkCmd + src.getAbsolutePath() + " " + dst.getPath() + cmdSuffix) lines_! ProcessLogger(line =>
-       (logInfo(line)))
+    (linkCmd + src.getAbsolutePath() + " " + dst.getPath() + cmdSuffix) lines_! 
+      ProcessLogger(line => (logInfo(line)))
   }