(svn r19743) -Fix: NewGrfs could access map bits of not yet constructed industries and houses during construction callbacks.
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@@ -2165,7 +2165,7 @@ static bool BuildTownHouse(Town *t, TileIndex tile)
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}
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if (HasBit(hs->callback_mask, CBM_HOUSE_ALLOW_CONSTRUCTION)) {
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uint16 callback_res = GetHouseCallback(CBID_HOUSE_ALLOW_CONSTRUCTION, 0, 0, house, t, tile);
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uint16 callback_res = GetHouseCallback(CBID_HOUSE_ALLOW_CONSTRUCTION, 0, 0, house, t, tile, true);
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if (callback_res != CALLBACK_FAILED && GB(callback_res, 0, 8) == 0) continue;
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}
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