Removed unnecessary halo rendering setup overhead when no halos need to be drawn. (Garry's halo.Render function will perform a whole load of rendering operations even when halo.Add has been given an empty table of entities.)
Removed unnecessary halo rendering setup overhead when no halos need to be drawn.
(Garry's halo.Render function will perform a whole load of rendering operations even when halo.Add has been given an empty table of entities.)

Python1320/wire,sammyt291/wire,mitterdoo/wire,plinkopenguin/wiremod,bigdogmat/wire,NezzKryptic/Wire,mms92/wire,thegrb93/wire,garrysmodlua/wire,immibis/wiremod,CaptainPRICE/wire,dvdvideo1234/wire,notcake/wire,Grocel/wire,rafradek/wire,wiremod/wire