[cvs-nhc98] Fix bugs with sized types <-> Integer conversions.

malcolm: Tue Jan 9 12:45:48 CET 2001 Update of /usr/src/master/nhc/src/runtime/Builtin In directory hinken:/tmp/cvs-serv13689 Modified Files: Makefile primIntegerFromInt64.c primsInt.c primsWord.c Added Files: primIntegerFromWord64.c primIntegerToWord64.c Log Message: Fix bugs with sized types <-> Integer conversions. * Int/Word64 -> Integer was truncated to 32 bits. * large Word32 -> Integer were treated as negatives.