Peephole remove duplicate assignment.

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@3645 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/super/com/google/gwt/emul/java/lang/String.java b/user/super/com/google/gwt/emul/java/lang/String.java
index 3c80553..8296a16 100644
--- a/user/super/com/google/gwt/emul/java/lang/String.java
+++ b/user/super/com/google/gwt/emul/java/lang/String.java
@@ -678,8 +678,7 @@
       }
     }
     var jr = @java.lang.String::__createArray(I)(out.length);
-    var i = 0;
-    for(i = 0; i < out.length; ++i) {
+    for(var i = 0; i < out.length; ++i) {
       jr[i] = out[i]; 
     }
     return jr;