Feature dtcenter/METplus-Internal#14 fixed length array

[hsoh-u]

Expected Differences

The same changes for met_v10.1 (#2156)
They are expected to be used as the character array.

• fudge[256] has to be 256 character array for color.

• No advantage to convert temporary character array to string

• Do these changes introduce new tools, command line arguments, or configuration file options? [No]
  
  If yes, please describe:
  

• Do these changes modify the structure of existing or add new output data types (e.g. statistic line types or NetCDF variables)? [No]
  
  If yes, please describe:
  

Pull Request Testing

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Do unit test and and the same output is expected

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [No]

• Do these changes include sufficient testing updates? [No]

• Will this PR result in changes to the test suite? [No]
  
  If yes, describe the new output and/or changes to the existing output:
  

• Please complete this pull request review by [Fill in date].
  

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[JohnHalleyGotway]

I approve of these changes.

I see that these are the same changes added to the main_v10.1 branch by PR #2156.