Bug 24993: Make sure SIP server is stopped before restarting it

Sometimes doing koha-sip --restart instance happens too fast and
the SIP server is not started.

To test:
- have SIP enabled and running for your instance
- issue a restart, make sure it restarts
  sudo koha-sip --restart inst

Signed-off-by: Liz Rea <wizzyrea@gmail.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

debian/scripts/koha-sip

@@ -154,6 +154,9 @@ restart_sip()
         local noLF="-n"
         [ "$verbose" != "no" ] && noLF=""
         echo $noLF `stop_sip ${name}`
+        while is_sip_running ${name}; do
+            sleep 1;
+        done
         echo $noLF `start_sip ${name}`
     else
         if [ "$verbose" != "no" ]; then