[easytag] Mark files with old Vorbis tag comments as changed

[David King <davidk src gnome org>]

commit d081c73f8d72155f6f0cde1b6e06ddf3ebcafba7
Author: David King <amigadave amigadave com>
Date:   Sun Feb 21 22:43:44 2016 +0000

    Mark files with old Vorbis tag comments as changed
    
    If a Vorbis comment has a COMMENT field, mark the file as modified, so that it
    is converted to a DESCRIPTION field during saving.

 src/tags/flac_tag.c |    6 ++++++
 src/tags/ogg_tag.c  |    6 ++++++
 2 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/tags/flac_tag.c b/src/tags/flac_tag.c
index 3906600..e811753 100644
--- a/src/tags/flac_tag.c
+++ b/src/tags/flac_tag.c
@@ -414,6 +414,10 @@ flac_tag_read_file_tag (GFile *file,
                 }
                 else if (descs && comments)
                 {
+                    /* Mark the file as modified, so that comments are written
+                     * to the DESCRIPTION field on saving. */
+                    FileTag->saved = FALSE;
+
                     g_slist_foreach (descs, values_list_foreach,
                                      &FileTag->comment);
                     g_slist_foreach (comments, values_list_foreach,
@@ -421,6 +425,8 @@ flac_tag_read_file_tag (GFile *file,
                 }
                 else if (comments)
                 {
+                    FileTag->saved = FALSE;
+
                     g_slist_foreach (comments, values_list_foreach,
                                      &FileTag->comment);
                 }
diff --git a/src/tags/ogg_tag.c b/src/tags/ogg_tag.c
index b11a4fd..799436b 100644
--- a/src/tags/ogg_tag.c
+++ b/src/tags/ogg_tag.c
@@ -411,11 +411,17 @@ et_add_file_tags_from_vorbis_comments (vorbis_comment *vc,
         }
         else if (descs && comments)
         {
+            /* Mark the file as modified, so that comments are written to the
+             * DESCRIPTION field on saving. */
+            FileTag->saved = FALSE;
+
             g_slist_foreach (descs, values_list_foreach, &FileTag->comment);
             g_slist_foreach (comments, values_list_foreach, &FileTag->comment);
         }
         else if (descs && comments)
         {
+            FileTag->saved = FALSE;
+
             g_slist_foreach (comments, values_list_foreach, &FileTag->comment);
         }