Make more JS files beter match the coding standard.

test/mjsunit/string-charcodeat.js

Index: test/mjsunit/string-charcodeat.js
diff --git a/test/mjsunit/string-charcodeat.js b/test/mjsunit/string-charcodeat.js
index 8be6a092e6b8e557c7ecfe6fe73cea1dce7ecc47..15d5a093593ef0d3e32a5403a65cd8366ed96a9c 100644
--- a/test/mjsunit/string-charcodeat.js
+++ b/test/mjsunit/string-charcodeat.js
@@ -111,7 +111,7 @@ function NotAString16() {
 function TestStringType(generator, sixteen) {
   var g = generator;
   var len = g().toString().length;
-  var t = sixteen ? "t" : "f"
+  var t = sixteen ? "t" : "f";
   t += generator.name;
   assertTrue(isNaN(g().charCodeAt(-1e19)), 1 + t);
   assertTrue(isNaN(g().charCodeAt(-0x80000001)), 2 + t);
@@ -175,7 +175,7 @@ for (var i = 0; i != 10; i++) {
 
 function StupidThing() {
   // Doesn't return a string from toString!
-  this.toString = function() { return 42; }
+  this.toString = function() { return 42; };
   this.charCodeAt = String.prototype.charCodeAt;
 }