more fixes to support INT_TYPE > INT32 Rev: src/acconfig.h:1.81 Rev: src/configure.in:1.495 Rev: src/error.c:1.70 Rev: src/interpret.c:1.188 Rev: src/interpret.h:1.78 Rev: src/modules/Gmp/mpz_glue.c:1.90 Rev: src/modules/Image/colors.c:1.46 Rev: src/modules/sprintf/acconfig.h:1.3 Rev: src/modules/sprintf/configure.in:1.8 Rev: src/modules/sprintf/sprintf.c:1.77 Rev: src/opcodes.c:1.103 Rev: src/operators.c:1.129 Rev: src/svalue.c:1.99