ffpb.remoteexec: end processing if node could not be found

modules/ffpb.py

@@ -148,6 +148,7 @@ def ffpb_remoteexec(bot, trigger):
 	target = ffpb_get_address(target_name)
 	if target is None:
 		bot.say('Kein Plan wer mit \'' + target_name + '\' gemeint ist :/')
+		return
 
 	if target.startswith('fe80::'):
 		target = 'fdca:ffee:ff12:132:' + target[6:]