HADOOP-7398. Add mechanism to suppress warnings about use of HADOOP_HOME.

(omalley)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security@1136661 13f79535-47bb-0310-9956-ffa450edef68

bin/hadoop

@@ -51,8 +51,8 @@ bin=`dirname "$0"`
 bin=`cd "$bin"; pwd`
 
 if [ "$HADOOP_HOME_WARN_SUPPRESS" == "" ] && [ "$HADOOP_HOME" != "" ]; then
-  echo "Warning: \$HADOOP_HOME is deprecated."
-  echo
+  echo "Warning: \$HADOOP_HOME is deprecated." 1>&2
+  echo 1>&2
 fi
 
 . "$bin"/../libexec/hadoop-config.sh