message: Add an entry for structure name table [0] to fix an off-by-one error when determining structure availability
diff: @@ -63,6 +63,7 @@ const std::string& structureClassDescription(Structure::StructureClass _class)
  static std::array<std::string, StructureID::SID_COUNT> StructureNameTable =
  {
  + "Not a Structure",
  constants::AGRIDOME,
  constants::AIR_SHAFT,
  constants::CARGO_LANDER,
  