patch 7.4.1427
Problem:    Trailing comma in enums is not ANSI C.
Solution:   Remove the trailing commas.
diff --git a/src/gui_mac.c b/src/gui_mac.c
index c766ed0..c87456e 100644
--- a/src/gui_mac.c
+++ b/src/gui_mac.c
@@ -6513,7 +6513,7 @@
 static MenuRef contextMenu = NULL;
 enum
 {
-    kTabContextMenuId = 42,
+    kTabContextMenuId = 42
 };
 
 // the caller has to CFRelease() the returned string