[RFC] Fix PR target/20301

[Eric Botcazou]

> 2005-06-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
>
>         PR target/20301
> 	* config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
> 	unsigned index numbers.

Tested on the 3 active branches x the 6 supported Solaris versions, installed 
on the 3 active branches.

-- 
Eric Botcazou