Add missing 28th element to softdep types name array.
Add missing 28th element to softdep types name array.

Found by:    Coverity Scan, CID 1007621
Reviewed by: kib
MFC after:   2 weeks

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