Remove duplicate line in benchmarks/base.js

This resolves issue 356 (http://code.google.com/p/v8/issues/detail?id=356) thanks to bitRAKE. Changed benchmark version number from 4 to 5 resulting in updates to base.js, README.txt and revisions.html. 

Review URL: http://codereview.chromium.org/113839

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

benchmarks/README.txt

@@ -52,3 +52,9 @@ memory management subsystem of the JavaScript engine.
 Furthermore, all the unused parts of the Prototype library were
 removed from the RayTrace benchmark. This does not affect the running
 of the benchmark.
+
+
+Changes from Version 4 to Version 5
+===================================
+
+Removed duplicate line in random seed code.

benchmarks/base.js

@@ -78,7 +78,7 @@ BenchmarkSuite.suites = [];
 // Scores are not comparable across versions. Bump the version if
 // you're making changes that will affect that scores, e.g. if you add
 // a new benchmark or change an existing one.
-BenchmarkSuite.version = '4';
+BenchmarkSuite.version = '5';
 
 
 // To make the benchmark results predictable, we replace Math.random
@@ -91,7 +91,6 @@ Math.random = (function() {
     seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
     seed = ((seed + 0x165667b1) + (seed << 5))   & 0xffffffff;
     seed = ((seed + 0xd3a2646c) ^ (seed << 9))   & 0xffffffff;
-    seed = ((seed + 0xd3a2646c) ^ (seed << 9))   & 0xffffffff;
     seed = ((seed + 0xfd7046c5) + (seed << 3))   & 0xffffffff;
     seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
     return (seed & 0xfffffff) / 0x10000000;

benchmarks/revisions.html

@@ -20,6 +20,11 @@ the benchmark suite.
 
 </p>
 
+<div class="subtitle"><h3>Version 5 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v5/run.html">link</a>)</h3></div>
+
+<p>Removed a duplicate line in the base random seed code.
+</p>
+
 <div class="subtitle"><h3>Version 4 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v4/run.html">link</a>)</h3></div>
 
 <p>The <i>Splay</i> benchmark is a newcomer in version 4.  It