--- a/src/station_gui.h	Sun Jan 13 13:11:59 2008 +0000
+++ b/src/station_gui.h	Sun Jan 13 13:36:01 2008 +0000
@@ -61,4 +61,6 @@
 void DrawStationCoverageAreaText(int sx, int sy, StationCoverageType sct, int rad);
 void CheckRedrawStationCoverage(const Window *w);
 
+extern bool _station_show_coverage;
+
 #endif /* STATION_GUI_H */