[krb5-auth-dialog] examles: Add interpreter

[Guido Günther <guidog src gnome org>]

commit 458fd0c687ff0227114d903090a771baee5574ec
Author: Guido Günther <agx sigxcpu org>
Date:   Thu Oct 20 17:09:37 2022 +0200

    examles: Add interpreter

 examples/destroy-ccache.py | 2 ++
 examples/tgt-acquire.py    | 2 ++
 examples/tgt-signals.py    | 2 +-
 3 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/examples/destroy-ccache.py b/examples/destroy-ccache.py
index 65aac84..8f77392 100755
--- a/examples/destroy-ccache.py
+++ b/examples/destroy-ccache.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 import dbus
 import sys
 
diff --git a/examples/tgt-acquire.py b/examples/tgt-acquire.py
old mode 100644
new mode 100755
index e136254..f810df6
--- a/examples/tgt-acquire.py
+++ b/examples/tgt-acquire.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 import dbus
 import sys
 
diff --git a/examples/tgt-signals.py b/examples/tgt-signals.py
index f3cc01d..362d828 100755
--- a/examples/tgt-signals.py
+++ b/examples/tgt-signals.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #
 # Copyright (C) 2010 Guido Guenther <agx sigxcpu org>
 #