merge bitcoin#25119: move StartExtraBlockRelayPeers() from header to implementation

Author: kwvg

src/net.cpp

@@ -3141,6 +3141,12 @@ void CConnman::SetTryNewOutboundPeer(bool flag)
     LogPrint(BCLog::NET, "net: setting try another outbound peer=%s\n", flag ? "true" : "false");
 }
 
+void CConnman::StartExtraBlockRelayPeers()
+{
+    LogPrint(BCLog::NET, "net: enabling extra block-relay-only peers\n");
+    m_start_extra_block_relay_peers = true;
+}
+
 // Return the number of peers we have over our outbound connection limit
 // Exclude peers that are marked for disconnect, or are going to be
 // disconnected soon (eg ADDR_FETCH and FEELER)

src/net.h

@@ -16,7 +16,6 @@
 #include <hash.h>
 #include <i2p.h>
 #include <limitedmap.h>
-#include <logging.h>
 #include <net_permissions.h>
 #include <netaddress.h>
 #include <netbase.h>
@@ -1464,10 +1463,7 @@ friend class CNode;
     void SetTryNewOutboundPeer(bool flag);
     bool GetTryNewOutboundPeer() const;
 
-    void StartExtraBlockRelayPeers() {
-        LogPrint(BCLog::NET, "net: enabling extra block-relay-only peers\n");
-        m_start_extra_block_relay_peers = true;
-    }
+    void StartExtraBlockRelayPeers();
 
     // Return the number of outbound peers we have in excess of our target (eg,
     // if we previously called SetTryNewOutboundPeer(true), and have since set