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-rw-r--r--tunnelbridge_cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index 67c9c0961..0c7aba758 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -902,7 +902,7 @@ int32 DoConvertTunnelBridgeRail(uint tile, uint totype, bool exec)
// fast routine for getting the height of a middle bridge tile. 'tile' MUST be a middle bridge tile.
-uint GetBridgeHeight(const TileInfo *ti)
+static uint GetBridgeHeight(const TileInfo *ti)
{
uint delta;
TileInfo ti_end;