Fix TestPigRunner.testErrorLogFile2 on nfs revealed by PIG-2291
Fix TestPigRunner.testErrorLogFile2 on nfs revealed by PIG-2291

git-svn-id: 7076acf2bf92f456438a9b9ef01b7132d171ecda@1226322 13f79535-47bb-0310-9956-ffa450edef68

miyakawataku/pig,internetarchive/pig,internetarchive/pig,internetarchive/pig,miyakawataku/pig,miyakawataku/pig,internetarchive/pig,miyakawataku/pig,internetarchive/pig,miyakawataku/pig,miyakawataku/pig,internetarchive/pig