RFA: Add ia64 support to setjmp.h

[Jeff Johnston]

Please go ahead.

-- Jeff J.

----- Original Message -----
> Hi Guys,
> 
>   Any objections to the following patch ?  It adds a definition of
>   _JBLEN for the ia64 target, which allows me to be build and test an
>   ia64-elf target.
> 
> Cheers
>   Nick
> 
> newlib/ChangeLog
> 2015-10-06  Nick Clifton  <nickc@redhat.com>
> 
> 	* libc/include/machine/setjmp.h (_JBLEN): Define for IA64.
> 
> diff --git a/newlib/libc/include/machine/setjmp.h
> b/newlib/libc/include/machine/setjmp.h
> index e0bc228..056325b 100644
> --- a/newlib/libc/include/machine/setjmp.h
> +++ b/newlib/libc/include/machine/setjmp.h
> @@ -291,6 +291,10 @@ _BEGIN_STD_C
>  #define _JBLEN 18
>  #endif
>  
> +#ifdef __ia64
> +#define _JBLEN 64
> +#endif
> +
>  #ifdef __lm32__
>  #define _JBLEN 19
>  #endif
>