example: Fix #!

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/example b/example
index 1d234892150dcf8d39949a2adb743cfa92996a73..12c081f531a0cc67bd2fe89b86b54ea7b05ffd23 100755 (executable)
--- a/example
+++ b/example
@@ -1,4 +1,4 @@
-#!/usr/bin/wish8.4 -f
+#!/usr/bin/wish -f
 # -*- Tcl -*-
 
 # Copyright 2016,2020 Ian Jackson