[libdazzle] prefs: adjust availability macro

[Christian Hergert <chergert src gnome org>]

commit d132df382e6797acb8273122ed096d04c9e67bb9
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 10 13:55:43 2017 -0800

    prefs: adjust availability macro

 src/prefs/dzl-preferences-view.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/prefs/dzl-preferences-view.h b/src/prefs/dzl-preferences-view.h
index 2cf4ea6..613259d 100644
--- a/src/prefs/dzl-preferences-view.h
+++ b/src/prefs/dzl-preferences-view.h
@@ -45,7 +45,7 @@ struct _DzlPreferencesViewClass
   gpointer _reserved8;
 };
 
-DZL_AVAILABLE_IN_ALL
+DZL_AVAILABLE_IN_3_28
 GtkWidget *dzl_preferences_view_new            (void);
 DZL_AVAILABLE_IN_ALL
 void       dzl_preferences_view_reapply_filter (DzlPreferencesView *self);