Fix the size given to _STARPU_TRACE_DATA_COPY().

The call to memcpy was fixed in r6723, but the call to
_STARPU_TRACE_DATA_COPY() was left untouched.

src/datawizard/interfaces/bcsr_interface.c

@@ -553,7 +553,7 @@ static int copy_ram_to_ram(void *src_interface, unsigned src_node STARPU_ATTRIBU
 
 	memcpy((void *)dst_bcsr->rowptr, (void *)src_bcsr->rowptr, (nrow+1)*sizeof(uint32_t));
 
-	_STARPU_TRACE_DATA_COPY(src_node, dst_node, nnz*elemsize*r*c + (nnz+nrow+1)*sizeof(uint32_t));
+	_STARPU_TRACE_DATA_COPY(src_node, dst_node, nnz*elemsize + (nnz+nrow+1)*sizeof(uint32_t));
 
 	return 0;
 }