Index: generic/nsf.c
===================================================================
diff -u -N -r053960da212a63ecb192d8cbf4b70432d6323ee5 -r6ef097d5e5cc5515e5aa2960cf2132a5aa258391
--- generic/nsf.c	(.../nsf.c)	(revision 053960da212a63ecb192d8cbf4b70432d6323ee5)
+++ generic/nsf.c	(.../nsf.c)	(revision 6ef097d5e5cc5515e5aa2960cf2132a5aa258391)
@@ -28478,7 +28478,7 @@
   Tcl_Command         cmd, oldCmd, newCmd;
   Tcl_Namespace      *nsPtr;
   int                 result;
-  unsigned int        flags;
+  unsigned int        flags = 0u;
   const NsfClass     *class;
   NsfObject          *newTargetObject;