[gexiv2] Mark several _free() functions as deprecated

[Jens Georg <jensgeorg src gnome org>]

commit c161964d959e70bd79b8bc71c1dad0371efdec71
Author: Jens Georg <mail jensge org>
Date:   Sun Jul 17 11:13:42 2016 +0200

    Mark several _free() functions as deprecated
    
    Signed-off-by: Jens Georg <mail jensge org>

 gexiv2/gexiv2-metadata.h      |    3 +++
 gexiv2/gexiv2-preview-image.h |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gexiv2/gexiv2-metadata.h b/gexiv2/gexiv2-metadata.h
index 395bf61..765f918 100644
--- a/gexiv2/gexiv2-metadata.h
+++ b/gexiv2/gexiv2-metadata.h
@@ -136,7 +136,10 @@ GExiv2Metadata* gexiv2_metadata_new                                        (void);
  * gexiv2_metadata_free:
  *
  * Destroys the #GExiv2Metadata object and frees all associated memory.
+ *
+ * Deprecated: 0.10.3: Use g_object_unref() instread.
  */
+G_DEPRECATED_FOR(g_object_unref)
 void                   gexiv2_metadata_free                            (GExiv2Metadata *self);
 
 /**
diff --git a/gexiv2/gexiv2-preview-image.h b/gexiv2/gexiv2-preview-image.h
index c69674a..e4cb5f9 100644
--- a/gexiv2/gexiv2-preview-image.h
+++ b/gexiv2/gexiv2-preview-image.h
@@ -62,7 +62,10 @@ GType                        gexiv2_preview_image_get_type                   (void);
  * gexiv2_preview_image_free:
  *
  * Releases the preview image and all associated memory.
+ *
+ * Deprecated: 0.10.3: Use g_object_unref() instead.
  */
+G_DEPRECATED_FOR(g_object_unref)
 void                   gexiv2_preview_image_free                               (GExiv2PreviewImage *self);