--- a/ui/cocoa/window.m	Sat May 17 10:53:57 2014 +0200
+++ b/ui/cocoa/window.m	Mon May 19 15:54:58 2014 +0200
@@ -193,6 +193,10 @@
     return obj;
 }
 
+void ui_close(UiObject *obj) {
+    // TODO
+}
+
 char* ui_openfiledialog(UiObject *obj) {
     NSOpenPanel* op = [NSOpenPanel openPanel];
     if ([op runModal] == NSOKButton) {