[sapwood] pass the symbol test of "make check"

[Sven Herzberg <herzi src gnome org>]

commit 7918def5928eeda9ece5c56b7be6bb672422b3a7
Author: Sven Herzberg <herzi gnome-de org>
Date:   Fri Aug 13 13:39:03 2010 +0200

    pass the symbol test of "make check"
    
    * sapwood/sapwood-cairo.h: don't export the symbols that are declared
      here

 sapwood/sapwood-cairo.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/sapwood/sapwood-cairo.h b/sapwood/sapwood-cairo.h
index 17f381e..b86cd62 100644
--- a/sapwood/sapwood-cairo.h
+++ b/sapwood/sapwood-cairo.h
@@ -26,8 +26,8 @@
 
 G_BEGIN_DECLS
 
-cairo_surface_t* sapwood_create_surface           (GdkDrawable* drawable);
-cairo_surface_t* sapwood_create_surface_and_unref (GdkDrawable* drawable);
+cairo_surface_t* sapwood_create_surface           (GdkDrawable* drawable) G_GNUC_INTERNAL;
+cairo_surface_t* sapwood_create_surface_and_unref (GdkDrawable* drawable) G_GNUC_INTERNAL;
 
 G_END_DECLS