- Use ELM_MALLOC() for struct rainfo.
- Use ELM_MALLOC() for struct rainfo.

- Fix a missing back pointer assignment in struct prefix to struct rainfo
  when addr="" is specified.  This caused SIGSEGV.

- Insert a prefix element to a tail queue after setting parameters.

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