Put my name as copyright owner of lib/libc/gen/dirfd.c added in r235647.
Put my name as copyright owner of lib/libc/gen/dirfd.c added in r235647.

Requested by:	kib@

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