Replace addrman.h include with forward decl in net.h

Also, add missing addrman.h includes

src/net.cpp

@@ -10,6 +10,7 @@
 #include <net.h>
 
 #include <addrdb.h>
+#include <addrman.h>
 #include <banman.h>
 #include <clientversion.h>
 #include <compat.h>

src/net.h

@@ -6,7 +6,6 @@
 #ifndef BITCOIN_NET_H
 #define BITCOIN_NET_H
 
-#include <addrman.h>
 #include <chainparams.h>
 #include <common/bloom.h>
 #include <compat.h>
@@ -37,9 +36,10 @@
 #include <thread>
 #include <vector>
 
-class CScheduler;
-class CNode;
+class AddrMan;
 class BanMan;
+class CNode;
+class CScheduler;
 struct bilingual_str;
 
 /** Default for -whitelistrelay. */

src/rpc/net.cpp

@@ -4,6 +4,7 @@
 
 #include <rpc/server.h>
 
+#include <addrman.h>
 #include <banman.h>
 #include <chainparams.h>
 #include <clientversion.h>

src/test/fuzz/connman.cpp

@@ -2,6 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#include <addrman.h>
 #include <chainparams.h>
 #include <chainparamsbase.h>
 #include <net.h>