Fixed SSH_TTY test in symbiosis-updater so updates are now paused if not running under SSH.

updater/symbiosis-updater

@@ -111,7 +111,7 @@ touch /var/tmp/update.packages
 #
 # Sleep a random amount of time, max ten minutes, unless running under sudo.
 #
-if [ ! -z "$SSH_TTY" ]; then
+if [ -z "$SSH_TTY" ]; then
     splay=$RANDOM
 
     #