Dont access static method through instance

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271396 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/antlib/build/SleepTask.java

@@ -71,7 +71,7 @@ public class SleepTask
     {
         try
         {
-            Thread.currentThread().sleep( millis );
+            Thread.sleep( millis );
         }
         catch( InterruptedException ie )
         {