Colormap crash fix

src/r_segs.c

@@ -1270,8 +1270,6 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 			if (encoremap && !(curline->linedef->flags & ML_TFERLINE))
 				dc_colormap += (256*32);
-			if (frontsector->extra_colormap)
-				dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
 
 			if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap)
 				dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps);