ipsec: Quit script quicker for ipsec stop

It rarely takes 1 second or longer to terminate the daemon.  This
decreases the runtime of the post test step a lot where `ipsec stop`
is called for multiple hosts in each test case (10-15 minutes over all
test cases).

src/ipsec/_ipsec.in

@@ -256,10 +256,10 @@ stop)
 		if [ -n "$spid" ]
 		then
 			kill $spid 2>/dev/null
-			loop=11
+			loop=110
 			while [ $loop -gt 0 ] ; do
 				kill -0 $spid 2>/dev/null || break
-				sleep 1
+				sleep 0.1
 				loop=$(($loop - 1))
 			done
 			if [ $loop -eq 0 ]