message: [net] Add cs_vSend lock annotations
diff: @@ -854,8 +854,10 @@ public:
  // socket
  std::atomic<ServiceFlags> nServices{NODE_NONE};
  SOCKET hSocket GUARDED_BY(cs_hSocket);
  - size_t nSendSize{0}; // total size of all vSendMsg entries
  - size_t nSendOffset{0}; // offset inside the first vSendMsg already sent
  + /** Total size of all vSendMsg entries */
  + size_t nSendSize GUARDED_BY(cs_vSend){0};
  + /** Offset inside the first vSendMsg already sent */
  + size_t nSendOffset GUARDED_BY(cs_vSend){0};
  uint64_t nSendBytes GUARDED_BY(cs_vSend){0};
  std::deque<std::vector<unsigned char>> vSendMsg GUARDED_BY(cs_vSend);
  Mutex cs_vSend;
  @@ -984,7 +986,7 @@ public:
  Network ConnectedThroughNetwork() const;
  protected:
  - mapMsgCmdSize mapSendBytesPerMsgCmd;
  + mapMsgCmdSize mapSendBytesPerMsgCmd GUARDED_BY(cs_vSend);
  mapMsgCmdSize mapRecvBytesPerMsgCmd GUARDED_BY(cs_vRecv);
  public:
  