Backport the changes from the readability.

src/globals.h

Index: src/globals.h
===================================================================
--- src/globals.h	(revision 661)
+++ src/globals.h	(working copy)
@@ -25,6 +25,9 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+#ifndef V8_GLOBALS_H_
+#define V8_GLOBALS_H_
+
 // -----------------------------------------------------------------------------
 // Types
 // Windows is missing the stdint.h header file. Instead we define standard
@@ -58,9 +61,6 @@
 // defined here because the platform code uses bool, and platform.h is
 // include very early in the main include file.
 
-#ifndef V8_GLOBALS_H_
-#define V8_GLOBALS_H_
-
 #ifdef USE_MYBOOL
 typedef unsigned int __my_bool__;
 #define bool __my_bool__  // use 'indirection' to avoid name clashes