Cleanup based on comments by William Rucklidge

Change-Id: If269ba8e388965a8ea32260fd6f17a133a19ab9b
diff --git a/include/ceres/dynamic_autodiff_cost_function.h b/include/ceres/dynamic_autodiff_cost_function.h
index 861164a..e4549c5 100644
--- a/include/ceres/dynamic_autodiff_cost_function.h
+++ b/include/ceres/dynamic_autodiff_cost_function.h
@@ -78,7 +78,7 @@
 class DynamicAutoDiffCostFunction : public CostFunction {
  public:
   explicit DynamicAutoDiffCostFunction(CostFunctor* functor)
-  : functor_(functor) {}
+    : functor_(functor) {}
 
   virtual ~DynamicAutoDiffCostFunction() {}