src/client.cpp: Fix mapper memory leak

src/client.cpp

@@ -302,7 +302,7 @@ Client::~Client()
 	// Delete detached inventories
 	for (std::map<std::string, Inventory*>::iterator
 			i = m_detached_inventories.begin();
-			i != m_detached_inventories.end(); i++){
+			i != m_detached_inventories.end(); ++i) {
 		delete i->second;
 	}
 
@@ -314,6 +314,8 @@ Client::~Client()
 		if (mesh != NULL)
 			m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
 	}
+
+	delete m_mapper;
 }
 
 void Client::connect(Address address,