[libadwaita/wip/sophie-h/set-header-suffix] preferences_group: Fix header_suffix definition

[Sophie Herold <sophieherold src gnome org>]

commit f473ed00085495ac7538e0724717bfd54691a9a0
Author: Sophie Herold <sophie hemio de>
Date:   Mon Apr 4 18:52:40 2022 +0200

    preferences_group: Fix header_suffix definition

 src/adw-preferences-group.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/adw-preferences-group.h b/src/adw-preferences-group.h
index 39d6f885..869a550a 100644
--- a/src/adw-preferences-group.h
+++ b/src/adw-preferences-group.h
@@ -59,6 +59,6 @@ ADW_AVAILABLE_IN_ALL
 GtkWidget *adw_preferences_group_get_header_suffix (AdwPreferencesGroup *self);
 ADW_AVAILABLE_IN_ALL
 void       adw_preferences_group_set_header_suffix (AdwPreferencesGroup *self,
-                                                    GtkWidget           *child);
+                                                    GtkWidget           *suffix);
 
 G_END_DECLS