Porting memory fixes

src/wallet/test/wallet_tests.cpp

@@ -23,6 +23,8 @@
 
 using namespace std;
 
+std::vector<std::unique_ptr<CWalletTx>> wtxn;
+
 typedef set<pair<const CWalletTx*,unsigned int> > CoinSet;
 
 BOOST_FIXTURE_TEST_SUITE(wallet_tests, TestingSetup)
@@ -50,13 +52,13 @@ static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = fa
     }
     COutput output(wtx, nInput, nAge, true);
     vCoins.push_back(output);
+    wtxn.emplace_back(std::move(wtx));
 }
 
 static void empty_wallet(void)
 {
-    BOOST_FOREACH(COutput output, vCoins)
-        delete output.tx;
     vCoins.clear();
+    wtxn.clear();
 }
 
 static bool equal_sets(CoinSet a, CoinSet b)