Fix for some crashes, by Flaming_Sword


git-svn-id: svn://svn.icculus.org/fs2open@10276 387891d4-d844-0410-90c0-e4c51a9137d3
fix Mantis #2994: a model can have initial animation states even if it doesn't have animations

git-svn-id: svn://svn.icculus.org/fs2open@10277 387891d4-d844-0410-90c0-e4c51a9137d3