use strict types

ext/rss_images/info.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 class RSSImagesInfo extends ExtensionInfo
 {

ext/rss_images/main.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 
 class RSSImages extends Extension

ext/rss_images/test.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 class RSSImagesTest extends ShimmiePHPUnitTestCase
 {
     public function testImageFeed()

ext/rss_images/theme.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /* needed for access to build_thumb_html */
 class RSSImagesTheme extends Themelet
 {