From 251fb23aeab8f85afb4f8376c2e6fc3d8b229d23 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Sun, 19 Nov 2023 01:46:48 +0100
Subject: [PATCH] Shebang parser: add virtual destructor

Fixes:

    warning: destructor called on non-final 'nix::ParseUnquoted' that has virtual functions but non-virtual destructor [-Wdelete-non-abstract-non-virtual-dtor]
---
 src/libutil/args.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libutil/args.cc b/src/libutil/args.cc
index 4359c5e8ede..4480a03f5c6 100644
--- a/src/libutil/args.cc
+++ b/src/libutil/args.cc
@@ -97,6 +97,8 @@ struct Parser {
     virtual void operator()(std::shared_ptr<Parser> & state, Strings & r) = 0;
 
     Parser(std::string_view s) : remaining(s) {};
+
+    virtual ~Parser() { };
 };
 
 struct ParseQuoted : public Parser {