Change adduser to adding_user in Makefile too.
Change adduser to adding_user in Makefile too.

I hate cvs's (nonexistent) handling of name changes
`cvs log adding_user.8' fails to show any relation to adduser.8...

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