[cogl] context: Re-add /<* private *>/ for _COGL_N_FEATURE_IDS

[Damien Lespiau <dlespiau src gnome org>]

commit e51206b2a9c9a582ac83fb71290524c99a8dbbb6
Author: Damien Lespiau <damien lespiau intel com>
Date:   Mon Oct 8 15:04:33 2012 +0100

    context: Re-add /<* private *>/ for _COGL_N_FEATURE_IDS
    
    Turns out gtk-doc really needs 'private' and glib-mkenums needs 'skip'.
    So let's have both.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 cogl/cogl-context.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/cogl/cogl-context.h b/cogl/cogl-context.h
index daade97..71904c4 100644
--- a/cogl/cogl-context.h
+++ b/cogl/cogl-context.h
@@ -234,6 +234,7 @@ typedef enum _CoglFeatureID
   COGL_FEATURE_ID_GLES2_CONTEXT,
   COGL_FEATURE_ID_DEPTH_TEXTURE,
 
+  /*< private >*/
   _COGL_N_FEATURE_IDS   /*< skip >*/
 } CoglFeatureID;