Rechecked all other gauges that set slew=true in their contructors
(vs 1st pass which checked gauges that set slew=true in hudparse.cpp)
I think I got them all now...
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10476 387891d4-d844-0410-90c0-e4c51a9137d3