constify capwap_message_elements_ops

src/common/capwap_element_maximumlength.c

@@ -59,7 +59,7 @@ static void capwap_maximumlength_element_free(void* data) {
 }
 
 /* */
-struct capwap_message_elements_ops capwap_element_maximumlength_ops = {
+const struct capwap_message_elements_ops capwap_element_maximumlength_ops = {
 	.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
 	.create = capwap_maximumlength_element_create,
 	.parse = capwap_maximumlength_element_parsing,