Our .cpp workgen and ext/storage_sources files are currently not covered by s_string, as the workgen and s3_store files are not using the proper snake_case as per our style guide and our spellchecker aspell doesn't support camelCase on all platforms. Once these files have been updated to our WiredTiger cpp style (using snake_case) s_string can be run on these files.

We'll need to handle any issues raised by s_string, and for any foreign API calls that are camelCase or ProperCase add them to the whitelist.