[evolution-data-server/wip/offline-cache] Minor not-code changes in ECalMetaBackend

[Milan Crha <mcrha src gnome org>]

commit 8b0f0d3522f60e00ea8eceab29d17e2b116ae0fe
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 5 17:37:53 2017 +0200

    Minor not-code changes in ECalMetaBackend

 src/calendar/libedata-cal/e-cal-meta-backend.c |    5 ++++-
 src/calendar/libedata-cal/e-cal-meta-backend.h |    2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/calendar/libedata-cal/e-cal-meta-backend.c b/src/calendar/libedata-cal/e-cal-meta-backend.c
index 80dcd16..a0af4f9 100644
--- a/src/calendar/libedata-cal/e-cal-meta-backend.c
+++ b/src/calendar/libedata-cal/e-cal-meta-backend.c
@@ -3946,9 +3946,12 @@ e_cal_meta_backend_list_existing_sync (ECalMetaBackend *meta_backend,
  *
  * It is mandatory to implement this virtual method by the descendant.
  *
- * The returned @out_component should be freed with icalcomponent_free()
+ * The returned @out_component should be freed with icalcomponent_free(),
  * when no longer needed.
  *
+ * The returned @out_extra should be freed with g_free(), when no longer
+ * needed.
+ *
  * Returns: Whether succeeded.
  *
  * Since: 3.26
diff --git a/src/calendar/libedata-cal/e-cal-meta-backend.h b/src/calendar/libedata-cal/e-cal-meta-backend.h
index accdcfc..d4a7bf5 100644
--- a/src/calendar/libedata-cal/e-cal-meta-backend.h
+++ b/src/calendar/libedata-cal/e-cal-meta-backend.h
@@ -125,7 +125,7 @@ struct _ECalMetaBackendClass {
                                                 GError **error);
        gboolean        (* load_component_sync) (ECalMetaBackend *meta_backend,
                                                 const gchar *uid,
-                                                icalcomponent **out_instances,
+                                                icalcomponent **out_component,
                                                 gchar **out_extra,
                                                 GCancellable *cancellable,
                                                 GError **error);