message: Fix some building class texts
diff: </BuildingClassInfo>
  <BuildingClassInfo>
  <Type>BUILDINGCLASS_GREAT_SPHINX</Type>
  - <Description>TXT_KEY_BUILDING_SPHINX</Description>
  + <Description>TXT_KEY_BUILDING_GREAT_SPHINX</Description>
  <iMaxGlobalInstances>1</iMaxGlobalInstances>
  <iMaxTeamInstances>-1</iMaxTeamInstances>
  <iMaxPlayerInstances>-1</iMaxPlayerInstances>
  </BuildingClassInfo>
  <BuildingClassInfo>
  <Type>BUILDINGCLASS_SALSAL_BUDDHA</Type>
  - <Description>TXT_KEY_SALSAL_BUDDHA</Description>
  + <Description>TXT_KEY_BUILDING_SALSAL_BUDDHA</Description>
  <iMaxGlobalInstances>1</iMaxGlobalInstances>
  <iMaxTeamInstances>-1</iMaxTeamInstances>
  <iMaxPlayerInstances>-1</iMaxPlayerInstances>
  </BuildingClassInfo>
  <BuildingClassInfo>
  <Type>BUILDINGCLASS_SILVER_TREE_FOUNTAIN</Type>
  - <Description>TXT_KEY_SILVER_TREE_FOUNTAIN</Description>
  + <Description>TXT_KEY_BUILDING_SILVER_TREE_FOUNTAIN</Description>
  <iMaxGlobalInstances>1</iMaxGlobalInstances>
  <iMaxTeamInstances>-1</iMaxTeamInstances>
  <iMaxPlayerInstances>-1</iMaxPlayerInstances>
  </BuildingClassInfo>
  <BuildingClassInfo>
  <Type>BUILDINGCLASS_SANTA_MARIA_DEL_FIORE</Type>
  - <Description>TXT_KEY_SANTA_MARIA_DEL_FIORE</Description>
  + <Description>TXT_KEY_BUILDING_SANTA_MARIA_DEL_FIORE</Description>
  <iMaxGlobalInstances>1</iMaxGlobalInstances>
  <iMaxTeamInstances>-1</iMaxTeamInstances>
  <iMaxPlayerInstances>-1</iMaxPlayerInstances>
  </BuildingClassInfo>
  <BuildingClassInfo>
  <Type>BUILDINGCLASS_TORRE_DE_BELEM</Type>
  - <Description>TXT_KEY_TORRE_DE_BELEM</Description>
  + <Description>TXT_KEY_BUILDING_TORRE_DE_BELEM</Description>
  <iMaxGlobalInstances>1</iMaxGlobalInstances>
  <iMaxTeamInstances>-1</iMaxTeamInstances>
  <iMaxPlayerInstances>-1</iMaxPlayerInstances>
  