[PATCH]: add missing FIX_ROUND_EXPR case

[Roger Sayle]

On Wed, 9 Mar 2005, Kaveh R. Ghazi wrote:
> 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
>
> 	* fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
>

This is Ok for mainline.

Thanks,

Roger
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