From 93299bf1913d433e78c0a2526d96e76851219204 Mon Sep 17 00:00:00 2001
From: Erik Hofman <erik@ehofman.com>
Date: Thu, 15 Apr 2021 10:05:05 +0200
Subject: [PATCH] Fix a compiler warning: not defining a virtual destructor
 results in undefined behavior

---
 simgear/emesary/IReceiver.hxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/simgear/emesary/IReceiver.hxx b/simgear/emesary/IReceiver.hxx
index bd629087..020f293e 100644
--- a/simgear/emesary/IReceiver.hxx
+++ b/simgear/emesary/IReceiver.hxx
@@ -31,6 +31,8 @@ namespace simgear
         class IReceiver : public SGReferenced
         {
         public:
+            virtual ~IReceiver() = default;
+
             /// Receive notification - must be implemented
             virtual ReceiptStatus Receive(INotification& message) = 0;
 
@@ -47,4 +49,4 @@ namespace simgear
 
     }
 }
-#endif
\ No newline at end of file
+#endif