TAKE - Fix target_linkzero calculation in rename

[Eric Sandeen <sandeen@xxxxxxx>]

Fix target_linkzero calculation


Date:  Tue Mar  4 13:35:08 PST 2003
Workarea:  
stout.americas.sgi.com:/localhome/src/sandeen/2.4.x-xfs/workarea-modmerge
Inspected by:  overby
Author:  gwehrman
Merged by:  sandeen
Merged mods:  irix6.5f:irix:135993a

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


Modid:  2.4.x-xfs:slinx:135993a
linux/fs/xfs/xfs_rename.c - 1.47
        - Merge of irix6.5f:irix:135993a by sandeen.
          Merge of grove2-6520stage:irix:135993a by roehrich.
          Merge of grove2:irix:135993a by roehrich.
          Bug 836139.  Don't calculate target_linkzero until after droping the 
old
          '.' link when it is a directory that is being moved.