Follow-up to r10793, missed a spot of [more]

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10827 387891d4-d844-0410-90c0-e4c51a9137d3
Fix mantis 2945 (From MageKing17)

Don't set PF_PROJECTED in g3_transfer_vertex() as it's not projecting
the vertex
Note: displaying nebula emp/lightning used to depend on unitialised data!

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10828 387891d4-d844-0410-90c0-e4c51a9137d3