From f9ef60d0630fee600d34b949a7fed19c00a6765e Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 19 Jul 2020 18:55:10 +0200
Subject: [PATCH] Coverity: Empty virtual destructor

---
 src/App/Expression.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/App/Expression.cpp b/src/App/Expression.cpp
index 9c1bc60986..4e4b101e15 100644
--- a/src/App/Expression.cpp
+++ b/src/App/Expression.cpp
@@ -1812,6 +1812,7 @@ bool FunctionExpression::isTouched() const
 class Collector {
 public:
     Collector() : first(true) { }
+    virtual ~Collector() {}
     virtual void collect(Quantity value) {
         if (first)
             q.setUnit(value.getUnit());