Reverted forced eye coords hack in run_vertex_stage.

Force eye coords in _mesa_update_tnl_spaces. Need to find out why eye
coords aren't used where they are needed, e.g. chromium's title screen.

src/mesa/main/light.c

-/* $Id: light.c,v 1.54.4.2 2003/03/21 11:35:18 keithw Exp $ */
+/* $Id: light.c,v 1.54.4.2.4.1 2003/05/26 13:49:58 dok666 Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1324,7 +1324,7 @@ void _mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state )
 			  ctx->Point._Attenuated ||
 			  (ctx->Light.Enabled &&
 			   !TEST_MAT_FLAGS( ctx->ModelviewMatrixStack.Top, 
-					    MAT_FLAGS_LENGTH_PRESERVING)));
+					    MAT_FLAGS_LENGTH_PRESERVING))) | NEED_EYE_LIGHT;
       
    /* Check if the truth-value interpretations of the bitfields have
     * changed:

src/mesa/tnl/t_vb_vertex.c

-/* $Id: t_vb_vertex.c,v 1.17.8.1 2003/05/06 00:01:41 dok666 Exp $ */
+/* $Id: t_vb_vertex.c,v 1.17.8.2 2003/05/26 13:49:59 dok666 Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -141,7 +141,7 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
 
    if (stage->changed_inputs) {
 
-      if (1||ctx->_NeedEyeCoords) {
+      if (ctx->_NeedEyeCoords) {
 	 /* Separate modelview transformation:
 	  * Use combined ModelProject to avoid some depth artifacts
 	  */