object_write_config: add const to remove one more

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@1946 fd59a12c-fef9-0310-b244-a6a79926bd2f

include/corosync/engine/coroapi.h

@@ -342,7 +342,7 @@ struct corosync_api_v1 {
 		object_reload_notify_fn_t object_reload_notify_fn,
 		void * priv_data_pt);
 
-	int (*object_write_config) (char **error_string);
+	int (*object_write_config) (const char **error_string);
 
 	int (*object_reload_config) (int flush,
 				     const char **error_string);

include/corosync/engine/objdb.h

@@ -217,7 +217,7 @@ struct objdb_iface_ver0 {
 		object_reload_notify_fn_t object_reload_notify_fn,
 		void * priv_data_pt);
 
-	int (*object_write_config) (char **error_string);
+	int (*object_write_config) (const char **error_string);
 
 	int (*object_reload_config) (
 		int flush,

lib/sa-confdb.c

@@ -305,7 +305,7 @@ int confdb_sa_key_replace (
 int confdb_sa_write (
 	char *error_text)
 {
-	char *errtext;
+	const char *errtext;
 	int ret;
 
 	ret = objdb->object_write_config(&errtext);

services/confdb.c

@@ -576,7 +576,7 @@ static void message_handler_req_lib_confdb_write (void *conn, void *message)
 {
 	struct res_lib_confdb_write res_lib_confdb_write;
 	int ret = CS_OK;
-	char *error_string = NULL;
+	const char *error_string = NULL;
 
 	if (api->object_write_config(&error_string))
 		ret = CS_ERR_ACCESS;
@@ -714,8 +714,3 @@ static void message_handler_req_lib_confdb_track_stop (void *conn, void *message
 	res.error = CS_OK;
 	api->ipc_response_send(conn, &res, sizeof(res));
 }
-
-
-
-
-