Made corrections.

global_data.cpp

@@ -54,6 +54,12 @@ radar_management_structure radar_management[RADAR_COUNT] = {
 // Components: Thread 1, Traffic Cop (Thread 2), all scope renderers
 int current_radar = RADAR_NONE;
 
+// Range settnigs for each radar
+int chain_home_range_setting;
+int ascope_range_setting;
+int traffic_control_range_setting;
+int police_boat range_setting; 
+
 /* ============================================================
  * THREAD MUTEXES
  * Components: all threads as noted per mutex