From 67fe2bbbcb4107cd6abb9908f0cecccca4adc9c8 Mon Sep 17 00:00:00 2001
From: cdjingit <642580887@qq.com>
Date: Mon, 12 Jun 2023 16:43:57 +0800
Subject: [PATCH] fix compile warning

---
 src/bvar/collector.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bvar/collector.h b/src/bvar/collector.h
index a334f5da..56db7214 100644
--- a/src/bvar/collector.h
+++ b/src/bvar/collector.h
@@ -47,6 +47,7 @@ class Collected;
 // For processing samples in batch before dumping.
 class CollectorPreprocessor {
 public:
+    virtual ~CollectorPreprocessor() = default;
     virtual void process(std::vector<Collected*>& samples) = 0;
 };