优化代码

空构造和析构函数替换为缺省
去除多余分号

src/Rtcp/Rtcp.cpp

@@ -242,11 +242,9 @@ vector<RtcpHeader *> RtcpHeader::loadFromBytes(char *data, size_t len) {
 class BufferRtcp : public Buffer {
 public:
     BufferRtcp(std::shared_ptr<RtcpHeader> rtcp) { _rtcp = std::move(rtcp); }
-
-    ~BufferRtcp() override {}
+    ~BufferRtcp() override  = default;
 
     char *data() const override { return (char *)_rtcp.get(); }
-
     size_t size() const override { return _rtcp->getSize(); }
 
 private: