Fix OPENDJ-525: Remove compiler warnings when building using JDK7

Matthew Swift

19.26.2012 108e2020c1d149962dfc43dcbc6bc24a05a8e5f7

 opends/src/server/org/opends/server/util/PasswordReader.java

@@ -103,7 +103,7 @@

        try
        {
          currentThread.sleep(1);
          Thread.sleep(1);
        }
        catch (InterruptedException ie)
        {