Fixed typo in call to OASACM switch.

[ukmo-nievesvaliente]

Pull Request Summary

Small bugfix in ww3_shel that shows up when coupling air density.

Description

It fixes a bug in ww3_shel when coupling air density. When calling the air density there is a typo that says "#ifdef W3_OASASCM" and it should be "#ifdef W3_OASACM".

No changes in regtests are expected.

• Reviewers: @ukmo-ccbunney @ukmo-juan-castillo
• Mention any labels that should be added: bug
• Are answer changes expected from this PR? No

Issue(s) addressed

• Fixes Fixed typo in call to OASACM switch. #548

Commit Message

Bugfix; fixed typo in call to OASACM switch.

Check list

• [Yes ] Branch is up to date with the authoritative repository (NOAA-EMC) develop branch.
• [Done ] Checked the checklist for a developer submitting to develop.
• [Not applicable] If a version number update is required, checked the updating version number checklist.
• [Not applicable] If a new feature was added, a regression test for testing the new feature is added.

Testing

• How were these changes tested?
  Regtests.
• Are the changes covered by regression tests? No. There is no regtest that tests the air density as a coupled field.
• Have the matrix regression tests been run (if yes, please note HPC and compiler)? Yes. Cray compiler in the CrayXC40 HPC at the Met Office.
• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):
• Please indicate the expected changes in the regression test output (Note the known list of non-identical tests). None.
• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):
  matrixCompFull.txt
  matrixDiff.txt
  matrixCompSummary.txt