[4.2, cft, aix, hpux] fix pr 26090

[Steve Ellcey]

> On Thu, Mar 08, 2007 at 09:02:05AM -0800, Steve Ellcey wrote:
> > I assume this should be:
> > 
> > #undef  TARGET_ASM_RELOC_RW_MASK
> > #define TARGET_ASM_RELOC_RW_MASK  ia64_hpux_reloc_rw_mask
> 
> Yes, and I found I missed declaring those new functions at the
> top of  ia64.c too.
> 
> r~

A bootstrap on IA64 HP-UX worked (after I put an ATTRIBUTE_UNUSED on the
new function declarations).  I tested with ToT, not the 4.2 branch.

Steve Ellcey
sje@cup.hp.com