Fix presubmit error.

test/mjsunit/regress/regress-swapelements.js

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Check that modifying an array while sorting it does not segfault. See
 // http://code.google.com/p/chromium/issues/detail?id=66099.
 
 function Item(val) {
-    this.value = val;
+  this.value = val;
 }
 
 
 var size = 23;
 var array1 = new Array(size);
 
 
 function myToString() {
-    array1.splice(0, 1);
-    return this.value.toString();
+  array1.splice(0, 1);
+  return this.value.toString();
 }
 
 
 function test() {
-    for (var i = 0; i < size; i++) {
-        array1[i] = new Item(i);
-        array1[i].toString = myToString;
-    }
-    array1.sort();
+  for (var i = 0; i < size; i++) {
+      array1[i] = new Item(i);
+      array1[i].toString = myToString;
+  }
+  array1.sort();
 }
 
 
 test();