follow-up r7018: add missing declarations

include/starpu_data_filters.h

@@ -60,9 +60,12 @@ void starpu_data_vmap_filters(starpu_data_handle_t root_data, unsigned nfilters,
 /* for BCSR */
 void starpu_canonical_block_filter_bcsr(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
 void starpu_vertical_block_filter_func_csr(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
-/* (filters for BLAS interface) */
+
+/* (filters for matrix interface) */
 void starpu_block_filter_func(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
+void starpu_block_shadow_filter_func(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
 void starpu_vertical_block_filter_func(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
+void starpu_vertical_block_shadow_filter_func(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);
 
 /* for vector */
 void starpu_block_filter_func_vector(void *father_interface, void *child_interface, struct starpu_data_filter *f, unsigned id, unsigned nparts);