Fixed some style bugs: - ifdefs around vendor sccsid were left reversed after switching to   __FBSDID(). - vertical whitespace after some of the non-FALLTHROUGH cases was lost. - too much vertical whitespace before prototypes.
Fixed some style bugs:
- ifdefs around vendor sccsid were left reversed after switching to
  __FBSDID().
- vertical whitespace after some of the non-FALLTHROUGH cases was lost.
- too much vertical whitespace before prototypes.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase