[evolution/gnome-3-36] help: Add missing file to CMakeLists.txt

[Andre Klapper <aklapper src gnome org>]

commit 3f75452d4a9005b25ea1c951b6ff3082c664b521
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon May 11 20:12:53 2020 +0200

    help: Add missing file to CMakeLists.txt
    
    https://mail.gnome.org/archives/evolution-list/2020-May/msg00085.html

 help/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/help/CMakeLists.txt b/help/CMakeLists.txt
index 1ac3c1cf36..77341bd7ca 100644
--- a/help/CMakeLists.txt
+++ b/help/CMakeLists.txt
@@ -198,6 +198,7 @@ set(HELP_FILES
        mail-send-and-receive.page
        mail-sending-options-smtp.page
        mail-several-pop-accounts.page
+       mail-sorting-folder-list.page
        mail-sorting-message-list.page
        mail-spam-marking.page
        mail-spam.page