what's this?  a Volition bug?

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9768 387891d4-d844-0410-90c0-e4c51a9137d3
add missing newline

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9769 387891d4-d844-0410-90c0-e4c51a9137d3
allow a user-specified number of credit images

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9770 387891d4-d844-0410-90c0-e4c51a9137d3