This patch adds disk quota support to jfs.

A patch is required for quota-tools to work with jfs.  It can be
found at http://oss.software.ibm.com/jfs/project/pub/quota-tools.patch
Quota tools source can be downloaded from
https://sourceforge.net/projects/linuxquota/

Written by: Karl Rister & Dave Kleikamp
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>