(svn r22556) -Codechange: Remove constness from the town pointer at industries.

src/industry.h

@@ -41,7 +41,7 @@ struct Industry : IndustryPool::PoolItem<&_industry_pool> {
 	typedef PersistentStorageArray<int32, 16> PersistentStorage;
 
 	TileArea location;                  ///< Location of the industry
-	const Town *town;                   ///< Nearest town
+	Town *town;                         ///< Nearest town
 	CargoID produced_cargo[2];          ///< 2 production cargo slots
 	uint16 produced_cargo_waiting[2];   ///< amount of cargo produced per cargo
 	uint16 incoming_cargo_waiting[3];   ///< incoming cargo waiting to be processed

src/industry_cmd.cpp

@@ -1271,7 +1271,7 @@ static CheckNewIndustryProc * const _check_new_industry_procs[CHECK_END] = {
  * @precond \c *t != NULL
  * @postcon \c *t points to a town on success, and \c NULL on failure.
  */
-static CommandCost FindTownForIndustry(TileIndex tile, int type, const Town **t)
+static CommandCost FindTownForIndustry(TileIndex tile, int type, Town **t)
 {
 	*t = ClosestTownFromTile(tile, UINT_MAX);
 
@@ -1540,7 +1540,7 @@ static CommandCost CheckIfFarEnoughFromConflictingIndustry(TileIndex tile, int t
  * @param founder Founder of the industry; OWNER_NONE in case of random construction.
  * @param initial_random_bits Random bits for the industry.
  */
-static void DoCreateNewIndustry(Industry *i, TileIndex tile, IndustryType type, const IndustryTileTable *it, byte layout, const Town *t, Owner founder, uint16 initial_random_bits)
+static void DoCreateNewIndustry(Industry *i, TileIndex tile, IndustryType type, const IndustryTileTable *it, byte layout, Town *t, Owner founder, uint16 initial_random_bits)
 {
 	const IndustrySpec *indspec = GetIndustrySpec(type);
 
@@ -1704,7 +1704,7 @@ static CommandCost CreateNewIndustryHelper(TileIndex tile, IndustryType type, Do
 	ret = CheckIfFarEnoughFromConflictingIndustry(tile, type);
 	if (ret.Failed()) return ret;
 
-	const Town *t = NULL;
+	Town *t = NULL;
 	ret = FindTownForIndustry(tile, type, &t);
 	if (ret.Failed()) return ret;
 	assert(t != NULL);