opengl32: Mark internal symbols with hidden visibility.

[Francois Gouget]

---
 dlls/opengl32/opengl_ext.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/opengl32/opengl_ext.h b/dlls/opengl32/opengl_ext.h
index 5748e0c..2e49d4a 100644
--- a/dlls/opengl32/opengl_ext.h
+++ b/dlls/opengl32/opengl_ext.h
@@ -28,9 +28,9 @@ typedef struct {
   void  *func;     /* pointer to the Wine function for this extension */
 } OpenGL_extension;
 
-extern const OpenGL_extension extension_registry[];
-extern const int extension_registry_size;
+extern const OpenGL_extension extension_registry[] DECLSPEC_HIDDEN;
+extern const int extension_registry_size DECLSPEC_HIDDEN;
 
-extern BOOL WINAPI wglSetPixelFormatWINE( HDC hdc, int format );
+extern BOOL WINAPI wglSetPixelFormatWINE( HDC hdc, int format ) DECLSPEC_HIDDEN;
 
 #endif /* __DLLS_OPENGL32_OPENGL_EXT_H */
-- 
2.1.4