Improve error messages for system.fgfsrc removal

[flightgear.git] / src / Scenery / tilecache.hxx

diff --git a/src/Scenery/tilecache.hxx b/src/Scenery/tilecache.hxx
index a1f43cecf95ac9f6121b1da74c09e4569073c54c..79fec4170866aaeb209f70814015161de5e21869 100644 (file)
--- a/src/Scenery/tilecache.hxx
+++ b/src/Scenery/tilecache.hxx
@@ -73,7 +73,9 @@ public:
     // Return the index of a tile to be dropped from the cache, return -1 if
     // nothing available to be removed.
     long get_drop_tile();
-    
+  
+    long get_first_expired_tile() const;
+  
     // Clear all flags indicating tiles belonging to the current view
     void clear_current_view();