Index: generic/nsfObj.c
===================================================================
diff -u -N -r16324e94fee054ff57d403e5b51cf96117317ea0 -r1aa07d20cab9258b273f984cd694673dfa6a86b8
--- generic/nsfObj.c	(.../nsfObj.c)	(revision 16324e94fee054ff57d403e5b51cf96117317ea0)
+++ generic/nsfObj.c	(.../nsfObj.c)	(revision 1aa07d20cab9258b273f984cd694673dfa6a86b8)
@@ -131,7 +131,7 @@
     register Tcl_Obj *objPtr,   	/* The object to convert. */
     Tcl_ObjType *objectType,
     void *context,			/* context (to avoid over-eager sharing) */
-    int methodEpoch,			/* methodEpoch */
+    unsigned int methodEpoch,		/* methodEpoch */
     Tcl_Command cmd,	  		/* the tclCommand behind the method */
     NsfClass *cl,	  		/* the object/class where the method was defined */
     unsigned int flags			/* flags */