Index: generic/nsf.h
===================================================================
diff -u -rd40717ac3710f2123cb9359e3d0442ad4ff3da73 -rb01ae78fb55550ee1ce97f2c8c69a07535190411
--- generic/nsf.h	(.../nsf.h)	(revision d40717ac3710f2123cb9359e3d0442ad4ff3da73)
+++ generic/nsf.h	(.../nsf.h)	(revision b01ae78fb55550ee1ce97f2c8c69a07535190411)
@@ -257,7 +257,7 @@
 		 Tcl_Obj *cmdNameObj, Tcl_Obj *methodObj);
 
 extern int
-NsfNoDispatchObjectError(Tcl_Interp *interp, char *methodName);
+NsfNoDispatchObjectError(Tcl_Interp *interp, CONST char *methodName);
 
 #define NSF_LOG_NOTICE 2
 #define NSF_LOG_WARN 1