um add modernc/sqlite

vendor/modernc.org/memory/trace_enabled.go

@@ -0,0 +1,10 @@
+// Copyright 2017 The Memory Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build memory.trace
+// +build memory.trace
+
+package memory // import "modernc.org/memory"
+
+const trace = true