Do hangups only after server states have been updated

The hangup code was refactored into a common function which should only be
used after the server states have been updated. This will remove erroneus
connections to already failed servers.

server/modules/monitor/mmmon.c

@@ -599,15 +599,6 @@ monitorMain(void *arg)
             /* monitor current node */
             monitorDatabase(mon, ptr);
 
-            if (mon_status_changed(ptr))
-            {
-                if (!(SERVER_IS_RUNNING(ptr->server)) ||
-                    !(SERVER_IS_IN_CLUSTER(ptr->server)))
-                {
-                    dcb_hangup_foreach(ptr->server);
-                }
-            }
-
             if (mon_status_changed(ptr) ||
                 mon_print_fail_status(ptr))
             {
@@ -679,6 +670,8 @@ monitorMain(void *arg)
             }
             ptr = ptr->next;
         }
+
+        mon_hangup_failed_servers(mon);
     }
 }