--- 4dtris-0.4.3.orig/src/4dt_ui.h	2012-05-12 17:31:32.000000000 +0200
+++ 4dtris-0.4.3/src/4dt_ui.h	2026-10-17 20:49:52.069280918 +0200
@@ -15,7 +15,7 @@
 ------------------------------------------------------------------------------*/
 
 /** Enum for special keys */
-enum
+typedef enum
 {
   UI_KEY_BACKSPACE = 8,
   UI_KEY_TAB       = 9,