File avoid-swap.patch of Package bees

--- bees-0.9.3/include/crucible/cache.h
+++ bees-0.9.3/include/crucible/cache.h
@@ -181,14 +181,8 @@ namespace crucible {
 	void
 	LRUCache<Return, Arguments...>::clear()
 	{
-		// Move the map and list onto the stack, then destroy it after we've released the lock
-		// so that we don't block other threads if the list's destructors are expensive
-		decltype(m_list) new_list;
-		decltype(m_map) new_map;
-		unique_lock<mutex> lock(m_mutex);
-		m_list.swap(new_list);
-		m_map.swap(new_map);
-		lock.unlock();
+		m_list.clear();
+		m_map.clear();
 	}
 
 	template <class Return, class... Arguments>