Some xb style cleanup.

src/xenia/base/reset_scope.h

@@ -17,7 +17,7 @@ namespace xe {
 template <typename T>
 class ResetScope {
  public:
-  ResetScope(T* value) : value_(value) {}
+  explicit ResetScope(T* value) : value_(value) {}
   ~ResetScope() {
     if (value_) {
       value_->Reset();