Build fix LTO

Author: emutavchi

Source/WebCore/Modules/mediastream/RTCDataChannel.cpp

@@ -104,6 +104,8 @@ RTCDataChannel::RTCDataChannel(ScriptExecutionContext& context, std::unique_ptr<
 {
 }
 
+RTCDataChannel::~RTCDataChannel() = default;
+
 std::optional<unsigned short> RTCDataChannel::id() const
 {
     if (!m_options.id && m_handler)

Source/WebCore/Modules/mediastream/RTCDataChannel.h

@@ -89,6 +89,7 @@ class RTCDataChannel final : public RefCounted<RTCDataChannel>, public ActiveDOM
     using RefCounted<RTCDataChannel>::deref;
 
     WEBCORE_EXPORT static std::unique_ptr<RTCDataChannelHandler> handlerFromIdentifier(RTCDataChannelLocalIdentifier);
+    virtual ~RTCDataChannel();
 
 private:
     RTCDataChannel(ScriptExecutionContext&, std::unique_ptr<RTCDataChannelHandler>&&, String&&, RTCDataChannelInit&&);