Codechange: Silence warnings about intentionally unused parameters.

src/industry_cmd.cpp

@@ -206,7 +206,7 @@ Industry::~Industry()
  * Invalidating some stuff after removing item from the pool.
  * @param index index of deleted item
  */
-void Industry::PostDestructor(size_t index)
+void Industry::PostDestructor(size_t)
 {
 	InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, IDIWD_FORCE_REBUILD);
 	SetWindowDirty(WC_BUILD_INDUSTRY, 0);
@@ -385,7 +385,7 @@ static void DrawTile_Industry(TileInfo *ti)
 	}
 }
 
-static int GetSlopePixelZ_Industry(TileIndex tile, uint x, uint y, bool ground_vehicle)
+static int GetSlopePixelZ_Industry(TileIndex tile, uint, uint, bool)
 {
 	return GetTileMaxPixelZ(tile);
 }
@@ -952,7 +952,7 @@ static bool ClickTile_Industry(TileIndex tile)
 	return true;
 }
 
-static TrackStatus GetTileTrackStatus_Industry(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
+static TrackStatus GetTileTrackStatus_Industry(TileIndex, TransportType, uint, DiagDirection)
 {
 	return 0;
 }
@@ -1094,10 +1094,9 @@ void PlantRandomFarmField(const Industry *i)
 /**
  * Search callback function for ChopLumberMillTrees
  * @param tile to test
- * @param user_data that is passed by the caller.  In this case, nothing
  * @return the result of the test
  */
-static bool SearchLumberMillTrees(TileIndex tile, void *user_data)
+static bool SearchLumberMillTrees(TileIndex tile, void *)
 {
 	if (IsTileType(tile, MP_TREES) && GetTreeGrowth(tile) > 2) { ///< 3 and up means all fully grown trees
 		/* found a tree */
@@ -1225,10 +1224,9 @@ void OnTick_Industry()
 
 /**
  * Check the conditions of #CHECK_NOTHING (Always succeeds).
- * @param tile %Tile to perform the checking.
  * @return Succeeded or failed command.
  */
-static CommandCost CheckNewIndustry_NULL(TileIndex tile)
+static CommandCost CheckNewIndustry_NULL(TileIndex)
 {
 	return CommandCost();
 }