HoststatusQuery: Add `latency` to next_update calculation..

..and double the entire result

refs #3212

modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php

@@ -98,14 +98,14 @@ class HoststatusQuery extends IdoQuery
                 NULL
             ELSE
                 UNIX_TIMESTAMP(hs.last_check)
-                + CASE WHEN
+                + (CASE WHEN
                     COALESCE(hs.current_state, 0) > 0 AND hs.state_type = 0
                 THEN
                     hs.retry_check_interval
                 ELSE
                     hs.normal_check_interval
-                END * 60 * 2
-                + CEIL(hs.execution_time)
+                END * 60
+                + CEIL(hs.execution_time) + CEIL(hs.latency)) * 2
             END',
             'host_no_more_notifications'            => 'hs.no_more_notifications',
             'host_normal_check_interval'            => 'hs.normal_check_interval',