Unreviewed, rolling out r206522.

Roll r206506 back in since the build fix landed in r206521

Reverted changeset:

"Unreviewed, rolling out r206506."
https://bugs.webkit.org/show_bug.cgi?id=162682
http://trac.webkit.org/changeset/206522

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@206525 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/runtime/JSArray.h b/Source/JavaScriptCore/runtime/JSArray.h
index 5619330..57bfcd4 100644
--- a/Source/JavaScriptCore/runtime/JSArray.h
+++ b/Source/JavaScriptCore/runtime/JSArray.h
@@ -18,8 +18,7 @@
  *
  */
 
-#ifndef JSArray_h
-#define JSArray_h
+#pragma once
 
 #include "ArrayConventions.h"
 #include "ButterflyInlines.h"
@@ -309,5 +308,3 @@
 }
 
 } // namespace JSC
-
-#endif // JSArray_h