-#define CHIMARA_GLK_PRIVATE(obj) \
- (G_TYPE_INSTANCE_GET_PRIVATE((obj), CHIMARA_TYPE_GLK, ChimaraGlkPrivate))
+#define CHIMARA_GLK_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), CHIMARA_TYPE_GLK, ChimaraGlkPrivate))
+#define CHIMARA_GLK_USE_PRIVATE(o, n) ChimaraGlkPrivate *n = CHIMARA_GLK_PRIVATE(o)