[devhelp/wip/swilmet/misc-improvements] Deprecate dh_book_manager_get_languages()

[Sébastien Wilmet <swilmet src gnome org>]

commit d12104c1f03e5612c561a37d1e77c9d8c1fb51c4
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun May 24 14:34:43 2015 +0200

    Deprecate dh_book_manager_get_languages()
    
    It is used nowhere in Devhelp, and neither in Anjuta or gnome-builder.
    Removing the function would be an API break, so first deprecate it.
    For the next API break, it'll be possible to simplify the code.

 src/dh-book-manager.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/dh-book-manager.h b/src/dh-book-manager.h
index 453d7ad..880a602 100644
--- a/src/dh-book-manager.h
+++ b/src/dh-book-manager.h
@@ -45,6 +45,8 @@ GType          dh_book_manager_get_type              (void) G_GNUC_CONST;
 DhBookManager *dh_book_manager_new                   (void);
 void           dh_book_manager_populate              (DhBookManager *book_manager);
 GList         *dh_book_manager_get_books             (DhBookManager *book_manager);
+
+G_DEPRECATED
 GList         *dh_book_manager_get_languages         (DhBookManager *book_manager);
 
 gboolean       dh_book_manager_get_group_by_language (DhBookManager *book_manager);