Move internal function decls to internal headers.

include/starpu_data_interfaces.h

@@ -307,11 +307,6 @@ unsigned starpu_get_handle_interface_id(starpu_data_handle);
 
 extern starpu_data_handle starpu_data_lookup(const void *ptr);
 
-/* Internal functions.  */
-
-extern void _starpu_data_interface_init(void) STARPU_ATTRIBUTE_INTERNAL;
-extern void _starpu_data_interface_shutdown(void) STARPU_ATTRIBUTE_INTERNAL;
-
 #ifdef __cplusplus
 }
 #endif

src/datawizard/interfaces/data_interface.h

@@ -23,6 +23,10 @@
 
 /* Some data interfaces or filters use this interface internally */
 extern struct starpu_data_interface_ops_t _starpu_interface_matrix_ops;
-void _starpu_data_free_interfaces(starpu_data_handle handle);
+void _starpu_data_free_interfaces(starpu_data_handle handle)
+	STARPU_ATTRIBUTE_INTERNAL;
+
+extern void _starpu_data_interface_init(void) STARPU_ATTRIBUTE_INTERNAL;
+extern void _starpu_data_interface_shutdown(void) STARPU_ATTRIBUTE_INTERNAL;
 
 #endif // __DATA_INTERFACE_H__