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

src/ppc/cpu-ppc.cc

Index: src/ppc/cpu-ppc.cc
diff --git a/src/ppc/cpu-ppc.cc b/src/ppc/cpu-ppc.cc
index d42420cde13d595dd22bee097158c97dc52b687f..1a9390b3332f579cc58376820b1d4afdac89530c 100644
--- a/src/ppc/cpu-ppc.cc
+++ b/src/ppc/cpu-ppc.cc
@@ -57,7 +57,7 @@ void CpuFeatures::FlushICache(void* buffer, size_t size) {
 
 #endif  // USE_SIMULATOR
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC