Merge #12859: Bugfix: Include <memory> for std::unique_ptr

a5bca13 Bugfix: Include <memory> for std::unique_ptr (Luke Dashjr)

Pull request description:

  Not sure why all these includes were missing, but it's breaking builds for some users:

  https://bugs.gentoo.org/show_bug.cgi?id=652142

  (Added to all files with a reference to `std::unique_ptr`)

Tree-SHA512: 8a2c67513ca07b9bb52c34e8a20b15e56f8af2530310d9ee9b0a69694dd05e02e7a3683f14101a2685d457672b56addec591a0bb83900a0eb8e2a43d43200509

Author: laanwj

src/bitcoin-cli.cpp

@@ -15,6 +15,7 @@
 #include <util.h>
 #include <utilstrencodings.h>
 
+#include <memory>
 #include <stdio.h>
 
 #include <event2/buffer.h>

src/bitcoin-tx.cpp

@@ -22,6 +22,7 @@
 #include <utilmoneystr.h>
 #include <utilstrencodings.h>
 
+#include <memory>
 #include <stdio.h>
 
 #include <boost/algorithm/string.hpp>

src/chainparams.cpp

@@ -11,6 +11,7 @@
 #include <utilstrencodings.h>
 
 #include <assert.h>
+#include <memory>
 
 #include <chainparamsseeds.h>
 

src/chainparamsbase.cpp

@@ -9,6 +9,7 @@
 #include <util.h>
 
 #include <assert.h>
+#include <memory>
 
 const std::string CBaseChainParams::MAIN = "main";
 const std::string CBaseChainParams::TESTNET = "test";

src/dbwrapper.cpp

@@ -4,6 +4,7 @@
 
 #include <dbwrapper.h>
 
+#include <memory>
 #include <random.h>
 
 #include <leveldb/cache.h>

src/httprpc.cpp

@@ -17,6 +17,8 @@
 #include <crypto/hmac_sha256.h>
 #include <stdio.h>
 
+#include <memory>
+
 #include <boost/algorithm/string.hpp> // boost::trim
 
 /** WWW-Authenticate to present with 401 Unauthorized response */

src/httpserver.cpp

@@ -13,6 +13,7 @@
 #include <sync.h>
 #include <ui_interface.h>
 
+#include <memory>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

src/memusage.h

@@ -10,6 +10,7 @@
 #include <stdlib.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <vector>
 #include <unordered_map>

src/miner.cpp

@@ -27,6 +27,7 @@
 #include <validationinterface.h>
 
 #include <algorithm>
+#include <memory>
 #include <queue>
 #include <utility>
 

src/net.cpp

@@ -20,6 +20,7 @@
 #include <ui_interface.h>
 #include <utilstrencodings.h>
 
+#include <memory>
 #ifdef WIN32
 #include <string.h>
 #else