The reason is that vxworks files are most often, one file per directory,
and when such a file is removed directory is gone as well. Though files
are auto-generated, directories aren't.
to bdb/dist/s_rpc so that bk doesn't complain about the
rpc_server/db_server_proc.c file that gets overwritten (but needs to
be stored in BK). Add a bdb/dist/template directory which is needed
by bdb/dist/s_recover.