Eliminate infinite loop

mail_notifier/user-notify-display

@@ -4,6 +4,7 @@ base_folder=/tmp/user_notify
 
 while [ "$1" ] ; do
 	touch "$base_folder/$1/displayed" 2>/dev/null # Don't care about errors if the message already disappeared
+	shift
 done
 
 exec user-notify-cleaner