Resolve the HAFS v1.0 compile warnings

[BinLiu-NOAA]

Description

Provide a clear and concise description of the requested feature/capability. From NCO SPA: There are numerous compilation warnings in the HAFS v1.0 builds, shown as below for some samples. Please ensure that these can be compiled cleanly in the next upgrade.

All compilation warning are listed in /lfs/h1/ops/para/packages/hafs.v1.0.3/sorc/logs/warning.list file and here the statists from each sorc builds -

build_forecast.log 363 build_gsi.log 17 build_hycom_utils.log 9 build_post.log 2 build_tools.log 1 build_tracker.log 3 build_utils.log 4 build_ww3_utils.log 0 total 399

Proposed solution

How should the new feature/capability be added? If you have thoughts on the implementation strategy, please share them here.

Status (optional)

Do you (or a colleague) plan to work on adding this feature?

Related to (optional)

Directly reference any related issues or PRs in this or other repositories, and describe how they are related. Examples:

• fixed by hafs-community/hafs/pull/<pr_number>
• dependent upon ufs-community/ufs-weather-model/pull/<pr_number>
• associated with noaa-emc/upp/pull/<pr_number>
• related to hafs-community/GSI/issues/<issue_number>