From e910a1aef4b2413c627240fc06d2a5696b24747a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 30 Sep 2018 05:46:20 -0400
Subject: [PATCH] [util] Add empty virtual destructor to option_group_t

From clang -Weverything bot:

./options.hh:57:8: warning: 'option_group_t' has virtual functions but non-virtual destructor [-Wnon-virtual-dtor]
struct option_group_t
       ^
---
 util/options.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util/options.hh b/util/options.hh
index 456e0a0f..0c929a22 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -56,6 +56,8 @@ void fail (hb_bool_t suggest_help, const char *format, ...) G_GNUC_NORETURN G_GN
 
 struct option_group_t
 {
+  virtual ~option_group_t () {}
+
   virtual void add_options (struct option_parser_t *parser) = 0;
 
   virtual void pre_parse (GError **error G_GNUC_UNUSED) {};
-- 
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