update to write the linear wind LUT if there was an error when reading
update to write the linear wind LUT if there was an error when reading

If Reading the existing LUT failed with an error, then we should write the newly generated LUT to disk.
Previously program would think that it had read the LUT and so it wouldn't bother writing it to disk.

NCAR/icar,gutmann/icar,NCAR/icar,gutmann/icar,NCAR/icar,gutmann/icar