Ensure no class directly derives from SwModify

- make all classes that used to be SwModify to be
sw::BroadcastingModify's
- this makes sure they are all sw::BroadcastMixin too,
so all clients of SwModify can be migrated over to use
sw::BroadcastMixin (only) instead

Change-Id: Idd217b98f9c20f01e0788bc65af796050dbb5699
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105207
Tested-by: Jenkins
Reviewed-by: Bjoern Michaelsen <bjoern.michaelsen@libreoffice.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/sw/inc/fmtftn.hxx b/sw/inc/fmtftn.hxx
index 150b3bd7e44e..2ce85ff0728b 100644
--- a/sw/inc/fmtftn.hxx
+++ b/sw/inc/fmtftn.hxx
@@ -39,8 +39,7 @@ class SwRootFrame;
 
 class SW_DLLPUBLIC SwFormatFootnote final
     : public SfxPoolItem
-    , public SwModify
-    , public sw::BroadcasterMixin
+    , public sw::BroadcastingModify
 {
     friend class SwTextFootnote;
     SwTextFootnote* m_pTextAttr;   ///< My TextAttribute.