Index: generic/nsfError.c
===================================================================
diff -u -r8eddf67371ec031084a6ef98fdec21e38dff85ff -rcb7e3a02c1964d38d85c7e129027fc1b3225d3e6
--- generic/nsfError.c	(.../nsfError.c)	(revision 8eddf67371ec031084a6ef98fdec21e38dff85ff)
+++ generic/nsfError.c	(.../nsfError.c)	(revision cb7e3a02c1964d38d85c7e129027fc1b3225d3e6)
@@ -63,7 +63,8 @@
 }
 
 int
-NsfObjWrongArgs(Tcl_Interp *interp, char *msg, Tcl_Obj *cmdName, Tcl_Obj *methodName, char *arglist) {
+NsfObjWrongArgs(Tcl_Interp *interp, CONST char *msg, Tcl_Obj *cmdName, 
+		Tcl_Obj *methodName, char *arglist) {
   int need_space = 0;
   Tcl_ResetResult(interp);
   Tcl_AppendResult(interp, msg, " should be \"", (char *) NULL);