258699: Add finalize method to CipherContentProxy class.

security/jss/org/mozilla/jss/pkcs11/CipherContextProxy.java

@@ -44,4 +44,8 @@ final class CipherContextProxy extends NativeProxy {
     }
 
     protected native void releaseNativeResources();
+
+    protected void finalize() throws Throwable {
+      super.finalize();
+    }
 }