SMB cstyle cleanup
There are rather a lot of existing cstyle issues in the SMB code; e.g., at least within:
This code is quite modern and is actively maintained. Cleaning up the violations will make it much easier to avoid introducing new ones in the future. The violations are substantially whitespace-related, so it should be possible to clean up with no substantive change in the program text.
While cleaning up the style issues we should also make sure the code is