Only include db.h when we have to.

src/db.cpp

@@ -3,6 +3,7 @@
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
+#include "db.h"
 
 using namespace std;
 using namespace boost;

src/headers.h

@@ -118,7 +118,6 @@
 #include "bignum.h"
 #include "base58.h"
 #include "script.h"
-#include "db.h"
 #include "net.h"
 #include "main.h"
 #include "rpc.h"

src/init.cpp

@@ -2,6 +2,7 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
+#include "db.h"
 
 using namespace std;
 using namespace boost;

src/main.cpp

@@ -2,6 +2,7 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
+#include "db.h"
 #include "cryptopp/sha.h"
 
 using namespace std;

src/main.h

@@ -77,6 +77,9 @@ extern int fUseUPnP;
 
 
 
+class CReserveKey;
+class CTxDB;
+class CTxIndex;
 
 
 bool CheckDiskSpace(uint64 nAdditionalBytes=0);

src/net.cpp

@@ -4,6 +4,7 @@
 
 #include "headers.h"
 #include "irc.h"
+#include "db.h"
 
 #ifdef USE_UPNP
 #include <miniupnpc/miniwget.h>

src/rpc.cpp

@@ -4,6 +4,7 @@
 
 #include "headers.h"
 #include "cryptopp/sha.h"
+#include "db.h"
 #undef printf
 #include <boost/asio.hpp>
 #include <boost/iostreams/concepts.hpp>