add _tnl_arb_vertex_program_stage to all drivers which already have _tnl_vertex_program_stage. Fixes crashes when using vertex programs. Tested on r200 only (fix by Keith Whitwell)

src/mesa/drivers/dri/i915/intel_context.c

@@ -206,6 +206,7 @@ static const struct tnl_pipeline_stage *intel_pipeline[] = {
    &_tnl_texgen_stage,
    &_tnl_texture_transform_stage,
    &_tnl_point_attenuation_stage,
+   &_tnl_arb_vertex_program_stage,
    &_tnl_vertex_program_stage,
 #if 1
    &_intel_render_stage,     /* ADD: unclipped rastersetup-to-dma */

src/mesa/drivers/dri/mga/mga_xmesa.c

@@ -370,6 +370,7 @@ static const struct tnl_pipeline_stage *mga_pipeline[] = {
    &_tnl_fog_coordinate_stage,
    &_tnl_texgen_stage, 
    &_tnl_texture_transform_stage, 
+   &_tnl_arb_vertex_program_stage,
    &_tnl_vertex_program_stage,
 
 				/* REMOVE: point attenuation stage */

src/mesa/drivers/dri/r200/r200_context.c

@@ -194,6 +194,7 @@ static const struct tnl_pipeline_stage *r200_pipeline[] = {
    &_tnl_fog_coordinate_stage,
    &_tnl_texgen_stage,
    &_tnl_texture_transform_stage,
+   &_tnl_arb_vertex_program_stage,
    &_tnl_vertex_program_stage,
 
    /* Try again to go to tcl? 

src/mesa/drivers/dri/r300/r300_context.c

@@ -135,6 +135,7 @@ static const struct tnl_pipeline_stage *r300_pipeline[] = {
 	&_tnl_fog_coordinate_stage,
 	&_tnl_texgen_stage,
 	&_tnl_texture_transform_stage,
+	&_tnl_arb_vertex_program_stage,
 	&_tnl_vertex_program_stage,
 
 	/* Try again to go to tcl?

src/mesa/drivers/dri/tdfx/tdfx_context.c

@@ -169,6 +169,7 @@ static const struct tnl_pipeline_stage *tdfx_pipeline[] = {
    &_tnl_point_attenuation_stage,
 #if 0
 #if defined(FEATURE_NV_vertex_program) || defined(FEATURE_ARB_vertex_program)
+   &_tnl_arb_vertex_program_stage,
    &_tnl_vertex_program_stage,
 #endif
 #endif

src/mesa/drivers/glide/fxdd.c

@@ -1658,6 +1658,7 @@ static const struct tnl_pipeline_stage *fx_pipeline[] = {
    &_tnl_texture_transform_stage,
    &_tnl_point_attenuation_stage,
 #if defined(FEATURE_NV_vertex_program) || defined(FEATURE_ARB_vertex_program)
+   &_tnl_arb_vertex_program_stage,
    &_tnl_vertex_program_stage,
 #endif
    &_tnl_render_stage,