Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-1257.js

 // Copyright 2011 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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 function g(y) { assertEquals(y, 12); }
 
 var X = 0;
 
 function foo () {
   var cnt = 0;
   var l = -1;
   var x = 0;
-  while (1) switch (l) {
+  while (1) {
+    switch (l) {
       case -1:
         var y = x + 12;
         l = 0;
         break;
       case 0:
         // Loop for to hit OSR.
         if (cnt++ < 10000000) {
           l = 0;
           break;
         } else {
           l = 1;
           break;
         }
       case 1:
         // This case will contain deoptimization
         // because it has no type feedback.
         g(y);
         return;
-    };
+    }
+  }
 }
 
 foo();