TAKE - cleanup a large array on the stack

[Steve Lord <lord@sgi.com>]

Noticed by Sebastian Kun, this removes a 2K array from the
stack and allocates the memory we actually need instead.


Date:  Thu May 23 09:44:23 PDT 2002
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.4

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


Modid:  2.4.x-xfs:slinx:120043a
linux/fs/xfs/xfs_dir2_block.c - 1.23
linux/fs/xfs/xfs_dir2_sf.c - 1.24
	- remove a large array from the stack, allocate the memory instead