Add src/wallet/* code to wallet:: namespace

src/wallet/test/ismine_tests.cpp

@@ -13,6 +13,7 @@
 #include <boost/test/unit_test.hpp>
 
 
+namespace wallet {
 BOOST_FIXTURE_TEST_SUITE(ismine_tests, BasicTestingSetup)
 
 BOOST_AUTO_TEST_CASE(ismine_standard)
@@ -417,3 +418,4 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
 }
 
 BOOST_AUTO_TEST_SUITE_END()
+} // namespace wallet