Fix missing or inconsistent include guards

src/wallet/test/wallet_test_fixture.h

@@ -2,8 +2,8 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#ifndef BITCOIN_WALLET_TEST_FIXTURE_H
-#define BITCOIN_WALLET_TEST_FIXTURE_H
+#ifndef BITCOIN_WALLET_TEST_WALLET_TEST_FIXTURE_H
+#define BITCOIN_WALLET_TEST_WALLET_TEST_FIXTURE_H
 
 #include <test/test_bitcoin.h>
 
@@ -18,5 +18,4 @@ struct WalletTestingSetup: public TestingSetup {
     CWallet m_wallet;
 };
 
-#endif
-
+#endif // BITCOIN_WALLET_TEST_WALLET_TEST_FIXTURE_H