regenerate template files
diff --git a/grpc.def b/grpc.def
index 0849f84..c2f83f5 100644
--- a/grpc.def
+++ b/grpc.def
@@ -148,6 +148,7 @@
     gpr_slice_ref
     gpr_slice_unref
     gpr_slice_new
+    gpr_slice_new_with_user_data
     gpr_slice_new_with_len
     gpr_slice_malloc
     gpr_slice_from_copied_string