-xCAT fix mistake in previous checkin

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4182 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT/postscripts/xcatdsklspost

@@ -28,7 +28,7 @@ if [ -z "$SIPS" ]; then
     SIPS=`grep -h DHCPSID /var/lib/dhcpcd/*.info 2> /dev/null|awk -F= '{print $2}'|sed -e s/\'//g`
 fi
 
-SIP=`echo $SIPS|tail -n 1` #Pick one for wget
+SIP=`echo $SIPS|awk '{printf $NF}' | tail -n 1` #Pick one for wget
 
 #open the xcatinfo file to look for the master if it is not set
 frominfofile=0