Update release date.

js/rhino/src/org/mozilla/javascript/Context.java

@@ -386,7 +386,7 @@ public class Context {
      *         number, and date.
      */
      public String getImplementationVersion() {
-        return "Rhino 1.5 release 4 2003 01 16";
+        return "Rhino 1.5 release 4 2003 02 10";
      }
 
     /**