message: Correct brace placement to adhere to project norms
diff: #include <memory>
  -namespace NAS2D {
  - namespace Xml {
  +namespace NAS2D
  +{
  + namespace Xml
  + {
  class XmlElement;
  }
  }
  -namespace micropather {
  +namespace micropather
  +{
  class MicroPather;
  }
  