According to the medal_stuff class, some of these should be MAX_FILENAME_LEN, not NAME_LENGTH

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10113 387891d4-d844-0410-90c0-e4c51a9137d3
Add stub for std_init_os() so that *nix can compile

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10114 387891d4-d844-0410-90c0-e4c51a9137d3