renamed display to output

src/result.cc

@@ -39,7 +39,7 @@ void game_result::run(input *in) {
         in->get_command();
 }
 
-void game_result::print(display *out) {
+void game_result::print(output *out) {
         out->print_str({0, 0}, WIN_SCREEN);
         out->print_str(MSG_START, msg, COLOR_PAIR(COLOR_YELLOW));
 }