From 0bc0d7deb046317397116e627856a749258b07a4 Mon Sep 17 00:00:00 2001
From: Chris Cannam <cannam@all-day-breakfast.com>
Date: Tue, 7 Jun 2022 11:12:39 +0100
Subject: [PATCH] Avoid compiler warning

---
 src/common/SampleFilter.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/common/SampleFilter.h b/src/common/SampleFilter.h
index 7dea368..74f197b 100644
--- a/src/common/SampleFilter.h
+++ b/src/common/SampleFilter.h
@@ -33,6 +33,7 @@ template <typename T>
 class SampleFilter
 {
 public:
+    virtual ~SampleFilter() { }
     virtual int getSize() const = 0;
     virtual void push(T) = 0;
     virtual T get() const = 0;