[bug] ConMon histogram plot problem

[EdwardSafford-NOAA]

At some point the ConMon's histogram plots stopped working. The cause of this problem is in image_gen/ush/mk_horz_hist.sh where the expected number of reals in the extracted data file is set for each obs type.

Downstream fromimage_gen/ush/mk_horz_hist.sh in each of the conmon_read_[obs type].x executables there is a check for the number of expected reals versus the number of reals actually found in the file. If these are different then the executable exits. And of course they are different, but that's a new thing. When it changed I can't say for certain but I think it must be a fairly recent event.

It's a valid question to ask why there is a check for any variance in the expected number of reals in the file. I'm not the original author of the script so I can't speak to the reasoning, but it must have been a necessary sanity check at some point. Given that the GSI-Monitor is to be deprecated in the not-to-distant future I'm inclined to change the expected reals and get this working with a minimal effort rather than explore this question in depth and significantly rewrite the mk_horz_hist.sh script.