[devhelp] Make the *_free_singleton() functions private

[Sébastien Wilmet <swilmet src gnome org>]

commit 6f2492fccb3cef7a2010f9d8c2a98beb9686f17b
Author: Sébastien Wilmet <sebastien wilmet uclouvain be>
Date:   Wed May 3 19:22:32 2017 +0200

    Make the *_free_singleton() functions private
    
    The public function is dh_free_resources().

 docs/reference/devhelp-sections.txt |    2 --
 src/dh-book-manager.c               |    2 +-
 src/dh-book-manager.h               |    4 ++--
 src/dh-init.c                       |    4 ++--
 src/dh-settings.c                   |    2 +-
 src/dh-settings.h                   |    3 ++-
 6 files changed, 8 insertions(+), 9 deletions(-)
---
diff --git a/docs/reference/devhelp-sections.txt b/docs/reference/devhelp-sections.txt
index 17ec63e..6e018e8 100644
--- a/docs/reference/devhelp-sections.txt
+++ b/docs/reference/devhelp-sections.txt
@@ -70,8 +70,6 @@ DH_IS_BOOK_MANAGER
 DH_IS_BOOK_MANAGER_CLASS
 DH_TYPE_BOOK_MANAGER
 dh_book_manager_get_type
-<SUBSECTION Private>
-dh_book_manager_free_singleton
 </SECTION>
 
 <SECTION>
diff --git a/src/dh-book-manager.c b/src/dh-book-manager.c
index 9c51e33..6188458 100644
--- a/src/dh-book-manager.c
+++ b/src/dh-book-manager.c
@@ -832,7 +832,7 @@ dh_book_manager_get_singleton (void)
 }
 
 void
-dh_book_manager_free_singleton (void)
+_dh_book_manager_free_singleton (void)
 {
         if (singleton != NULL)
                 g_object_unref (singleton);
diff --git a/src/dh-book-manager.h b/src/dh-book-manager.h
index b0e5666..5841f52 100644
--- a/src/dh-book-manager.h
+++ b/src/dh-book-manager.h
@@ -54,8 +54,8 @@ DhBookManager *dh_book_manager_new                   (void);
 G_DEPRECATED
 void           dh_book_manager_populate              (DhBookManager *book_manager);
 
-/* Normally private */
-void           dh_book_manager_free_singleton       (void);
+G_GNUC_INTERNAL
+void           _dh_book_manager_free_singleton       (void);
 
 G_END_DECLS
 
diff --git a/src/dh-init.c b/src/dh-init.c
index a6f84f1..20bfaf1 100644
--- a/src/dh-init.c
+++ b/src/dh-init.c
@@ -54,6 +54,6 @@ dh_init (void)
 void
 dh_free_resources (void)
 {
-        dh_book_manager_free_singleton ();
-        dh_settings_free_singleton ();
+        _dh_book_manager_free_singleton ();
+        _dh_settings_free_singleton ();
 }
diff --git a/src/dh-settings.c b/src/dh-settings.c
index 2404169..d664966 100644
--- a/src/dh-settings.c
+++ b/src/dh-settings.c
@@ -155,7 +155,7 @@ dh_settings_get_singleton (void)
 }
 
 void
-dh_settings_free_singleton (void)
+_dh_settings_free_singleton (void)
 {
         if (singleton != NULL)
                 g_object_unref (singleton);
diff --git a/src/dh-settings.h b/src/dh-settings.h
index 1a12b90..b35f194 100644
--- a/src/dh-settings.h
+++ b/src/dh-settings.h
@@ -53,7 +53,8 @@ GType           dh_settings_get_type                    (void) G_GNUC_CONST;
 
 DhSettings *    dh_settings_get_singleton               (void);
 
-void            dh_settings_free_singleton              (void);
+G_GNUC_INTERNAL
+void            _dh_settings_free_singleton              (void);
 
 GSettings *     dh_settings_peek_window_settings        (DhSettings *self);