fix some additional program refcounting bugs
cherry-picked from master
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index f12fa28..2b3dbff 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -243,10 +243,8 @@
_mesa_free((void *) sh->Source);
if (sh->InfoLog)
_mesa_free(sh->InfoLog);
- for (i = 0; i < sh->NumPrograms; i++) {
- assert(sh->Programs[i]);
- ctx->Driver.DeleteProgram(ctx, sh->Programs[i]);
- }
+ for (i = 0; i < sh->NumPrograms; i++)
+ _mesa_reference_program(ctx, &sh->Programs[i], NULL);
if (sh->Programs)
_mesa_free(sh->Programs);
_mesa_free(sh);