net: make GetReceiveFloodSize public

This will be needed so that the message processor can cork incoming messages

src/net.h

@@ -324,6 +324,7 @@ public:
     /** Get a unique deterministic randomizer. */
     CSipHasher GetDeterministicRandomizer(uint64_t id);
 
+    unsigned int GetReceiveFloodSize() const;
 private:
     struct ListenSocket {
         SOCKET socket;
@@ -365,8 +366,6 @@ private:
     void DumpData();
     void DumpBanlist();
 
-    unsigned int GetReceiveFloodSize() const;
-
     // Network stats
     void RecordBytesRecv(uint64_t bytes);
     void RecordBytesSent(uint64_t bytes);