Fix nesting of conditions in Humanoid:afterLoad

Before this fix the condition: [ if old < 77 then self.has_vomitted = 0 end ] was not checked for saved games newer than 41 because this condition was nested within the: [ if old < 42 then ] condition.
Merge pull request #181 from JASheppard/humanoid_afterLoad_indentationFix

Fix nesting of conditions in Humanoid:afterLoad