net: make CNode's id private

src/net.cpp

@@ -2623,10 +2623,10 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn
     nTimeConnected(GetSystemTimeInSeconds()),
     addr(addrIn),
     fInbound(fInboundIn),
-    id(idIn),
     nKeyedNetGroup(nKeyedNetGroupIn),
     addrKnown(5000, 0.001),
     filterInventoryKnown(50000, 0.000001),
+    id(idIn),
     nLocalHostNonce(nLocalHostNonceIn),
     nLocalServices(nLocalServicesIn),
     nMyStartingHeight(nMyStartingHeightIn),

src/net.h

@@ -611,7 +611,6 @@ public:
     CCriticalSection cs_filter;
     CBloomFilter* pfilter;
     std::atomic<int> nRefCount;
-    const NodeId id;
 
     const uint64_t nKeyedNetGroup;
     std::atomic_bool fPauseRecv;
@@ -682,6 +681,7 @@ public:
 private:
     CNode(const CNode&);
     void operator=(const CNode&);
+    const NodeId id;
 
 
     const uint64_t nLocalHostNonce;