Use casts to silence ASan complaints

I don't think these are actually causing any real problems, ASan
complains about them though since it's kind of a code smell I guess and
a potential source of problems. But our case is fine, so cast to silence
them.

common/event/timer.h

@@ -51,7 +51,7 @@ namespace EQ {
 		void Stop() {
 			if (m_timer) {
 				uv_close((uv_handle_t*)m_timer, [](uv_handle_t* handle) {
-					delete handle;
+					delete (uv_timer_t *)handle;
 				});
 				m_timer = nullptr;
 			}