Index: generic/xotclStubInit.c
===================================================================
diff -u -rcde16e9d87173d7ef9179ce40e10c2f1f708940e -rb385d44db9e33f36d1629fbb0b82cf94d8dffe72
--- generic/xotclStubInit.c	(.../xotclStubInit.c)	(revision cde16e9d87173d7ef9179ce40e10c2f1f708940e)
+++ generic/xotclStubInit.c	(.../xotclStubInit.c)	(revision b385d44db9e33f36d1629fbb0b82cf94d8dffe72)
@@ -53,7 +53,7 @@
     XOTclRemoveIMethod, /* 14 */
     XOTclOSetInstVar, /* 15 */
     XOTclOGetInstVar, /* 16 */
-    XOTclInstVar, /* 17 */
+    NULL, /* 17 */
     NULL, /* 18 */
     XOTcl_ObjSetVar2, /* 19 */
     XOTcl_ObjGetVar2, /* 20 */