Removed an unnecessary variable initialization.

git-svn-id: svn://svn.icculus.org/fs2open/branches/zookeeper@9845 387891d4-d844-0410-90c0-e4c51a9137d3
Maybe helps in fixing the linking error.

git-svn-id: svn://svn.icculus.org/fs2open/branches/zookeeper@9847 387891d4-d844-0410-90c0-e4c51a9137d3