TAKE - Add blank line to include/linux/fs.h

[Keith Owens <kaos@xxxxxxxxxxxxxxxxxxxxxxxxx>]

XFS had deleted a blank line from fs.h which increased the size of our
patch footprint.  Add the blank line back again.  This is a candidate
for the year's smallest patch :).

Date:  Mon Aug 13 17:52:54 PDT 2001
Workarea:  sherman.melbourne.sgi.com:/build/kaos/2.4.x-xfs

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.x-xfs


Modid:  2.4.x-xfs:slinx:100651a
linux/include/linux/fs.h - 1.108