amendment to HADOOP-9112 fix return codes (Surenkumar Nihalani via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448745 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-238-trunk-gd