Fix #10071 - wrong max_index in vbo draw_prims. (Papadakos Panagiotis)

src/mesa/vbo/vbo_exec_draw.c

@@ -218,7 +218,7 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
 				       exec->vtx.prim_count,
 				       NULL,
 				       0,
-				       exec->vtx.vert_count );
+				       exec->vtx.vert_count - 1);
       }
    }
 

src/mesa/vbo/vbo_save_draw.c

@@ -218,7 +218,7 @@ void vbo_save_playback_vertex_list( GLcontext *ctx, void *data )
 				    node->prim_count,
 				    NULL,
 				    0,	/* Node is a VBO, so this is ok */
-				    node->count );
+				    node->count - 1);
    }
 
    /* Copy to current?