Remove compile warning.
Remove compile warning.

isprint() is defined to take an int and if it is defined as a macro then
you can get a warning that a char is being used as an array index. This
patch fixes this warning in tgt-vlog95/msic.c

themperek/iverilog,themperek/iverilog,CastMi/iverilog,themperek/iverilog,CastMi/iverilog,CastMi/iverilog