message: Remove extra semicolons from Things/Structures/Structure
diff: @@ -148,7 +148,7 @@ protected:
  void activate();
  - virtual void disabledStateSet() {};
  + virtual void disabledStateSet() {}
  void state(StructureState newState) { mStructureState = newState; }
  @@ -167,7 +167,7 @@ private:
  * Provided so that structures that need to do something upon
  * activation can do so without overriding void activate();
  */
  - virtual void activated() {};
  + virtual void activated() {}
  private:
  int mTurnsToBuild = 0; /**< Number of turns it takes to build the Structure. */
  