Update re2

third_party/re2/util/logging.cc

Index: third_party/re2/util/logging.cc
diff --git a/third_party/re2/util/logging.cc b/third_party/re2/util/logging.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8a598625b991151115820063f863f6e39b257ed7
--- /dev/null
+++ b/third_party/re2/util/logging.cc
@@ -0,0 +1,9 @@
+// Copyright 2015 The RE2 Authors.  All Rights Reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "util/logging.h"
+
+DEFINE_int32(minloglevel, 0,  // INFO
+             "Messages logged at a lower level than this don't actually get "
+             "logged anywhere");