1 files changed, 2 insertions, 0 deletions
diff --git a/src/rev.h b/src/rev.h
index 621a41c4b..50b265419 100644
--- a/src/rev.h
+++ b/src/rev.h
@@ -17,4 +17,6 @@ extern const char _openttd_build_date[];
 extern const byte _openttd_revision_modified;
 extern const uint32 _openttd_newgrf_version;
 
+bool IsReleasedVersion();
+
 #endif /* REV_H */