- Fix type casts in calling sctp_m_getptr, it expects a int not   an unsigned (returned by sizeof) also add cast to  comparison check   for size bounds. Approved by:	re(bmah@freebsd.org)
- Fix type casts in calling sctp_m_getptr, it expects a int not
  an unsigned (returned by sizeof) also add cast to  comparison check
  for size bounds.
Approved by:	re(bmah@freebsd.org)

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