print max data value as unsigned value instead of signed, so 32 bit counters show proper max value (instead of -1).
print max data value as unsigned value instead of signed, so 32 bit
counters show proper max value (instead of -1).

olsonse/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,olsonse/comedilib,olsonse/comedilib,olsonse/comedilib,olsonse/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,olsonse/comedilib,Linux-Comedi/comedilib