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/MatchResult.h b/Source/JavaScriptCore/runtime/MatchResult.h
index 13dd7f0..7129137 100644
--- a/Source/JavaScriptCore/runtime/MatchResult.h
+++ b/Source/JavaScriptCore/runtime/MatchResult.h
@@ -23,8 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef MatchResult_h
-#define MatchResult_h
+#pragma once
 
 #include <wtf/PrintStream.h>
 #include <wtf/Vector.h> // for notFound
@@ -82,5 +81,3 @@
 };
 
 } // namespace JSC
-
-#endif