SPARK-25062: fix review findings

Change-Id: I57c862ca076015f36aaee1da02c7fce80d740890

Author: peter-toth

sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala

@@ -315,12 +315,13 @@ object InMemoryFileIndex extends Logging {
         // which is very slow on some file system (RawLocalFileSystem, which is launch a
         // subprocess and parse the stdout).
         try {
-          val locations = fs.getFileBlockLocations(f, 0, f.getLen).map(
-            loc => if (loc.getClass == classOf[BlockLocation]) {
+          val locations = fs.getFileBlockLocations(f, 0, f.getLen).map { loc =>
+            if (loc.getClass == classOf[BlockLocation]) {
               loc
             } else {
               new BlockLocation(loc.getNames, loc.getHosts, loc.getOffset, loc.getLength)
-            })
+            }
+          }
           val lfs = new LocatedFileStatus(f.getLen, f.isDirectory, f.getReplication, f.getBlockSize,
             f.getModificationTime, 0, null, null, null, null, f.getPath, locations)
           if (f.isSymlink) {