[cogl/msvc-support] Update cogl.symbols

[Chun-wei Fan <fanchunwei src gnome org>]

commit d057b61827d460ab77ddd0a3bb3fe4f5293ea8e6
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Jul 14 15:53:28 2011 +0800

    Update cogl.symbols
    
    COGL-Pango uses another one of those _-prefixed APIs :|

 cogl/cogl.symbols |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/cogl/cogl.symbols b/cogl/cogl.symbols
index 70aaee8..511982d 100644
--- a/cogl/cogl.symbols
+++ b/cogl/cogl.symbols
@@ -871,6 +871,7 @@ _cogl_atlas_texture_add_reorganize_callback
 _cogl_atlas_texture_new_from_bitmap
 _cogl_atlas_texture_new_with_size
 _cogl_atlas_texture_remove_reorganize_callback
+_cogl_context_get_default
 _cogl_error_quark
 _cogl_handle_atlas_texture_get_type
 _cogl_texture_associate_framebuffer