semaphore with stop signal marked on minimap, number of icons increased to 5

Event.cpp

@@ -29,6 +29,7 @@ http://mozilla.org/MPL/2.0/.
 #include "Driver.h"
 #include "Timer.h"
 #include "Logs.h"
+#include "widgets/map_objects.h"
 
 void
 basic_event::event_conditions::bind( basic_event::node_sequence *Nodes ) {
@@ -453,6 +454,8 @@ updatevalues_event::run_() {
                 &location );
         }
     }
+
+	map::Objects.poi_dirty = true; // it could potentially change map icons
 }
 
 // export_as_text() subclass details