[easytag] Synchronize ETFileList pointer

[David King <davidk src gnome org>]

commit 9adaa19236a14206c05c24b957c765833a79d834
Author: David King <amigadave amigadave com>
Date:   Fri Nov 13 19:00:28 2015 +0000

    Synchronize ETFileList pointer
    
    Ensure that sorting ETCore->ETFileDisplayedList, and possibly changing
    the head pointer, results in the ETCore->ETFileList pointer being
    updated to the head of the list.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755069

 src/file_list.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/file_list.c b/src/file_list.c
index 5c54873..70672db 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -1186,6 +1186,10 @@ et_displayed_file_list_set (GList *ETFileList)
                        g_settings_get_enum (MainSettings,
                                             "sort-mode"));
 
+    /* Synchronize, so that the core file list pointer always points to the
+     * head of the list. */
+    ETCore->ETFileList = g_list_first (ETCore->ETFileList);
+
     /* Should renums ETCore->ETFileDisplayedList only! */
     et_displayed_file_list_renumber (ETCore->ETFileDisplayedList);
 }