AlterHTML was not only producing wrong URS in multisite (subdirs), bu…

…t also multisite (subdomains). Fixed. Closes #510

README.txt

@@ -781,7 +781,7 @@ If you want to make sure that my coffee supplies don't run dry, you can even buy
 = Upcoming =
 * Changed names for preventing replacing image with webp. Use "?dontreplace" / ".dontreplace" instead of "?original" and ".do-not-convert". The old ones are deprecated, but will still work (for a while)
 * You can now convert images in the file manager and view conversion log
-* Bugfix: In multisite (subdirs), Alter HTML produced wrong webp urls when destination structure was set to "image roots". Thanks to John A. Huebner II (@hube2) who lives on a big hill in central NY, USA for reporting the issue.
+* Bugfix: In multisite, Alter HTML produced wrong webp urls when destination structure was set to "image roots". Thanks to John A. Huebner II (@hube2) who lives on a big hill in central NY, USA for reporting the issue.
 * Added message to Elementor users on how to configure Elementor to inline CSS in order for Alter HTML to be able to replace image URLs (only displayed when relevant)
 * Add UI for "skip-these-precompiled-binaries" cwebp option. Thanks to @madmax4ever for posting code for this.
 

lib/classes/Paths.php

@@ -613,8 +613,8 @@ public static function destinationRoot($rootId, $destinationOptions)
                 ];
             } else {
                 $extraPath = '';
-                if (is_multisite() && !is_subdomain_install() && (get_current_blog_id() != 1)) {
-                    $extraPath = '/sites/' . get_current_blog_id();
+                if (is_multisite() && (get_current_blog_id() != 1)) {
+                    $extraPath = '/sites/' . get_current_blog_id();   // #510
                 }
                 return [
                     'url' => $destUrl . '/' . $rootId . $extraPath,