Patch: work around recent shs.h change

[Tom Tromey]

>>>>> "Anthony" == Anthony Green <green@cygnus.com> writes:

Anthony> This is my work-around for the recent changes which assume
Anthony> uint32_t etc exist.  It will work for the vast majority of
Anthony> potential newlib based embedded ports (32-bit int/8-bit
Anthony> char), and issue a compile time error otherwise.

Anthony> Ok?  Or too gross?

What if we instead use the code in java/lang/mprec.h?
I had a vague recollection that we already dealt with this problem.

Tom