1 files changed, 1 insertions, 0 deletions

diff --git a/src/tgp.h b/src/tgp.h
index 8d8d97489..e773c6ff2 100644
--- a/src/tgp.h
+++ b/src/tgp.h
@@ -11,5 +11,6 @@
 #define TGP_H
 
 void GenerateTerrainPerlin();
+uint GetEstimationTGPMapHeight();
 
 #endif /* TGP_H */