[libadwaita] expander-row: Notify using the correct properties

[Alexander Mikhaylenko <alexm src gnome org>]

commit 114d9effe7dff466394ee1e76ba523882d6ece88
Author: Matthew Jakeman <mjakeman26 outlook co nz>
Date:   Sat Sep 17 15:43:40 2022 +1200

    expander-row: Notify using the correct properties

 src/adw-expander-row.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/adw-expander-row.c b/src/adw-expander-row.c
index ad813b9c..cae85d0b 100644
--- a/src/adw-expander-row.c
+++ b/src/adw-expander-row.c
@@ -306,8 +306,8 @@ func (gpointer this) { \
 
 NOTIFY (notify_subtitle_cb, PROP_SUBTITLE);
 NOTIFY (notify_icon_name_cb, PROP_ICON_NAME);
-NOTIFY (notify_title_lines_cb, PROP_ICON_NAME);
-NOTIFY (notify_subtitle_lines_cb, PROP_ICON_NAME);
+NOTIFY (notify_title_lines_cb, PROP_TITLE_LINES);
+NOTIFY (notify_subtitle_lines_cb, PROP_SUBTITLE_LINES);
 
 static void
 adw_expander_row_init (AdwExpanderRow *self)