TAKE - xfsdump build issue

[Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>]

Add missing build dependencies for config.h.  


Date:  Sat Nov  2 22:10:43 PST 2002
Workarea:  snort.melbourne.sgi.com:/home/nathans/2.4.x-xfs

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


Modid:  xfs-cmds:slinx:131895a
cmd/xfsdump/Makefile - 1.11
cmd/xfsdump/include/Makefile - 1.9
        - Treat config.h like builddefs - it is also configure generated, and
          if it doesn't exist we need to run configure to create it (ie. like
          builddefs).