double buffering

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@793510 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java

@@ -850,8 +850,7 @@ public class JUnitTask extends Task {
         File casesFile = createTempPropertiesFile("junittestcases");
         BufferedWriter writer = null;
         try {
-            writer =
-                new BufferedWriter(new BufferedWriter(new FileWriter(casesFile)));
+            writer = new BufferedWriter(new FileWriter(casesFile));
 
             log("Creating casesfile '" + casesFile.getAbsolutePath()
                 + "' with content: ", Project.MSG_VERBOSE);