fixed: const type was used in queue

src/lib/base/EventQueue.cpp

@@ -112,7 +112,7 @@ CEventQueue::loop()
 	LOG((CLOG_DEBUG "event queue is ready"));
 	while (!m_pending.empty()) {
 		LOG((CLOG_DEBUG "add pending events to buffer"));
-		const CEvent& event = m_pending.front();
+		CEvent& event = m_pending.front();
 		addEventToBuffer(event);
 		m_pending.pop();
 	}

src/lib/base/EventQueue.h

@@ -179,7 +179,7 @@ private:
 	IScreenEvents*				m_typesForIScreen;
 	CMutex*						m_readyMutex;
 	CCondVar<bool>*				m_readyCondVar;
-	std::queue<const CEvent>	m_pending;
+	std::queue<CEvent>			m_pending;
 };
 
 #define EVENT_TYPE_ACCESSOR(type_)											\