this will likely fix Mantis #3013

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10530 387891d4-d844-0410-90c0-e4c51a9137d3
Yarn's fix for Mantis #3024

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10531 387891d4-d844-0410-90c0-e4c51a9137d3