Another HP-UX IA64 Build patch

[Steve Ellcey]

> Never mind, I see the problem.  The question about the prototype
> confused me, and put me on the wrong track.  Try this patch.  We need to
> include sysdep.h before libiberty.h, so that libiberty.h gets the proper
> HAVE_DECL_BASENAME definition.
> -- 
> Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

This patch didn't seem to do anything for my build.  With or without
this change I need to use the patch I just sent for libiberty where I
use the prototype for basename if on hpux.

Steve Ellcey
sje@cup.hp.com