[mutter] texture-tower: Fix usage of G_*_DECLS

[Florian Müllner <fmuellner src gnome org>]

commit e1950ed76fa678ae10bb4732ebc04db8531fb476
Author: Benoit Gschwind <gschwind gnu-log net>
Date:   Wed Jun 7 11:57:09 2017 +0200

    texture-tower: Fix usage of G_*_DECLS
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783505

 src/compositor/meta-texture-tower.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/compositor/meta-texture-tower.h b/src/compositor/meta-texture-tower.h
index b1228c6..20a637f 100644
--- a/src/compositor/meta-texture-tower.h
+++ b/src/compositor/meta-texture-tower.h
@@ -62,6 +62,6 @@ void              meta_texture_tower_update_area       (MetaTextureTower *tower,
                                                         int               height);
 CoglTexture      *meta_texture_tower_get_paint_texture (MetaTextureTower *tower);
 
-G_BEGIN_DECLS
+G_END_DECLS
 
 #endif /* __META_TEXTURE_TOWER_H__ */