Fixed a the "select leader" pane not refreshing.

src/multiplayer_client.cpp

@@ -800,3 +800,14 @@ std::string leader_preview_pane::get_selected_leader()
 	return leaders_.get_leader();
 }
 
+void leader_preview_pane::set_location(const SDL_Rect& rect)
+{
+	if (location().x == rect.x && location().y == rect.y && 
+			location().w == rect.w && location().h == rect.h)
+		return;
+
+	widget::set_location(rect);
+	register_rectangle(rect);
+}
+
+

src/multiplayer_client.hpp

@@ -46,6 +46,9 @@ public:
 	void set_selection(int index);
 	std::string get_selected_leader();
 
+	virtual void set_location(const SDL_Rect& rect);
+	using widget::set_location;
+
 private:
 	void draw_contents();
 	void process();