[m-rev.] for review: fix MR_hash_string() bug

[Fergus Henderson]

On 21-Nov-2002, Simon Taylor <stayl at cs.mu.OZ.AU> wrote:
> 
> Estimated hours taken: 1
> Branches: main, release
> 
> runtime/mercury_string.h:
> 	Fix a bug which caused the results of MR_hash_string()
> 	and string__hash to differ -- cast each character to
> 	MR_UnsignedChar before combining it with the hash value.
> 
> tests/hard_coded/Mmakefile:
> tests/hard_coded/string_hash.{m,exp}:
> 	Test case.

That looks fine, thanks.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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