fix generating keys for user wipes out credentials for root

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7125 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/share/xcat/scripts/setup-local-client.sh

@@ -25,7 +25,7 @@ if [ -z "$2" ]; then
   if [ -x /usr/bin/getent ];then
    USERHOME=`getent passwd $1|awk -F: '{print $6}'`
   else
-    USERHOME=`lsuser -a home root | cut -d'=' -f2` 
+    USERHOME=`grep ^$1: /etc/passwd | cut -d: -f6` 
   fi
 else
   CNA="$1"