reformat source code

according to code styles, 'AccessModifierOffset' should be -2.

deps/oblib/unittest/common/test_cell_writer.cpp

@@ -19,7 +19,7 @@ using namespace common;
 using namespace number;
 namespace unittest {
 class TestCellWriter : public ::testing::Test {
-  public:
+public:
   TestCellWriter();
   virtual void SetUp()
   {}
@@ -46,7 +46,7 @@ class TestCellWriter : public ::testing::Test {
     return &arena_;
   }
 
-  private:
+private:
   ModulePageAllocator alloc_;
   ModuleArena arena_;
 };