From FUBAR-BDHR, chief1983, m!m and MageKing17: Fix for Mantis 2887: Additional workaround for mantis 2693

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10969 387891d4-d844-0410-90c0-e4c51a9137d3