Make more JS files beter match the coding standard.

test/mjsunit/leakcheck.js

 // Copyright 2008 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 13 matching lines @@
 // 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.
 
 /**
  * This test is run with leak detection when running special tests.
  * Don't do too much work here or running it will take forever.
  */
 
 function fac(n) {
-  if (n > 0) return fac(n - 1) * n;
-  else return 1;
+  if (n > 0) {
+    return fac(n - 1) * n;
+  } else {
+    return 1;
+  }
 }
 
 function testFac() {
   if (fac(6) != 720) throw "Error";
 }
 
 function testRegExp() {
   var input = "123456789";
   var result = input.replace(/[4-6]+/g, "xxx");
   if (result != "123xxx789") throw "Error";
 }
 
 function main() {
   testFac();
   testRegExp();
 }
 
 main();