Support 32bit / 64bit binary writes

patch.c

   else if (((MVMArrayREPRData *)STABLE(buffer)->REPR_data)->slot_type == MVM_ARRAY_U32
        || ((MVMArrayREPRData *)STABLE(buffer)->REPR_data)->slot_type == MVM_ARRAY_I32) {
        output_size = ((MVMArray *)buffer)->body.elems * sizeof(MVMuint32);
        output = (char *)(((MVMArray *)buffer)->body.slots.i32 + ((MVMArray *)buffer)->body.start);
    }
    else if (((MVMArrayREPRData *)STABLE(buffer)->REPR_data)->slot_type == MVM_ARRAY_U64
        || ((MVMArrayREPRData *)STABLE(buffer)->REPR_data)->slot_type == MVM_ARRAY_I64) {
        output_size = ((MVMArray *)buffer)->body.elems * sizeof(MVMuint64);
        output = (char *)(((MVMArray *)buffer)->body.slots.i64 + ((MVMArray *)buffer)->body.start);
    }