minor change in the zookeeper startup script

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization_ioc@1318 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-installer/src/main/resources/zookeeper/zk.init b/asterix-installer/src/main/resources/zookeeper/zk.init
index 937d8b3..7aa7c10 100755
--- a/asterix-installer/src/main/resources/zookeeper/zk.init
+++ b/asterix-installer/src/main/resources/zookeeper/zk.init
@@ -1,6 +1,6 @@
 ZK_HOME=$1
 shift 1
-cd $MANAGIX_HOME/.installer/zookeeper
+cd $INSTALLER_HOME/.installer/zookeeper
 tar cf zk.pkg.tar *
 zk_server_id=1
 for zk_host in  $@