[retro-gtk/build-doc: 2/8] keyboard-key: Make private enums as such for GTK-Doc

[Adrien Plazas <aplazas src gnome org>]

commit af8633cbeb98227a699a427516fd6b1e8abdbf78
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Apr 12 20:55:23 2020 +0200

    keyboard-key: Make private enums as such for GTK-Doc
    
    This will avoid warnings when building the documentation.

 shared/retro-keyboard-key-private.h | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/shared/retro-keyboard-key-private.h b/shared/retro-keyboard-key-private.h
index 14dcb08..71616c9 100644
--- a/shared/retro-keyboard-key-private.h
+++ b/shared/retro-keyboard-key-private.h
@@ -11,6 +11,7 @@
 G_BEGIN_DECLS
 
 typedef enum {
+  /*< private >*/
   RETRO_KEYBOARD_KEY_UNKNOWN = 0,
   RETRO_KEYBOARD_KEY_FIRST = 0,
   RETRO_KEYBOARD_KEY_BACKSPACE = 8,
@@ -156,6 +157,7 @@ typedef enum {
 } RetroKeyboardKey;
 
 typedef enum {
+  /*< private >*/
   RETRO_KEYBOARD_MODIFIER_KEY_NONE = 0x0000,
   RETRO_KEYBOARD_MODIFIER_KEY_SHIFT = 0x01,
   RETRO_KEYBOARD_MODIFIER_KEY_CTRL = 0x02,