Make nStartingHeight atomic

TheBlueMatt · Fuzzbawls · commit 8a66add4fc26 · 2020-09-02T00:42:02.000-07:00
diff --git a/src/net.h b/src/net.h
@@ -600,7 +600,7 @@ class CNode
 
 public:
     uint256 hashContinue;
-    int nStartingHeight;
+    std::atomic<int> nStartingHeight;
 
     // flood relay
     std::vector<CAddress> vAddrToSend;
