message: Fix unit info XML
diff: </UnitAI>
  </UnitAIs>
  <PrereqTech>TECH_SOCIAL_SERVICES</PrereqTech>
  - <TechTypes>
  <iCost>140</iCost>
  <iAdvancedStartCost>100</iAdvancedStartCost>
  <iMinAreaSize>-1</iMinAreaSize>
  </UnitAI>
  </UnitAIs>
  <PrereqTech>TECH_SOCIAL_SERVICES</PrereqTech>
  - <TechTypes>
  - <PrereqTech>TECH_REPLACEABLE_PARTS</PrereqTech>
  - </TechTypes>
  <iCost>140</iCost>
  <iAdvancedStartCost>100</iAdvancedStartCost>
  <iMinAreaSize>-1</iMinAreaSize>
  