Address use of default constructors in the javax.script package

Summary

Replace the default constructor on CompiledScript with an equivalent explicit constructor.

Problem

The CompiledScript class in the javax.script package uses a default constructor.

Solution

Add an equivalent explicit constructor.

Specification

@@ -42,6 +42,10 @@
  * @since 1.6
  */
 public abstract class CompiledScript {
+    /**
+     * Constructor for subclasses to call.
+     */
+    public CompiledScript() {}

     /**
      * Executes the program stored in this <code>CompiledScript</code> object.