Reorder Guava import

Author: srowen

core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala

@@ -25,11 +25,11 @@ import scala.reflect._
 
 import org.scalatest.{BeforeAndAfter, FunSuite}
 
+import com.google.common.io.Files
+
 import org.apache.spark.{Logging, SparkConf}
 import org.apache.spark.util.logging.{RollingFileAppender, SizeBasedRollingPolicy, TimeBasedRollingPolicy, FileAppender}
 
-import com.google.common.io.Files
-
 class FileAppenderSuite extends FunSuite with BeforeAndAfter with Logging {
 
   val testFile = new File("FileAppenderSuite-test-" + System.currentTimeMillis).getAbsoluteFile