Cosmetic changes to tests to make it easier to concatenate them.

src/bignum-dtoa.cc

Index: src/bignum-dtoa.cc
diff --git a/src/bignum-dtoa.cc b/src/bignum-dtoa.cc
index f9a0c95ef525e82fab51827cd323940b0bae6b95..ace9e3719379f27951c6be826c028ded11ad4399 100644
--- a/src/bignum-dtoa.cc
+++ b/src/bignum-dtoa.cc
@@ -632,4 +632,5 @@ static void FixupMultiply10(int estimated_power, bool is_even,
   }
 }
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8