[easytag] Fix a memory leak when freeing the history list

[David King <davidk src gnome org>]

commit aba60f35e96ecfbc5a5b4c9ccb834aeed670bfdc
Author: David King <amigadave amigadave com>
Date:   Sun Feb 22 12:43:19 2015 +0000

    Fix a memory leak when freeing the history list

 src/file_list.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/file_list.c b/src/file_list.c
index f574cde..9f4f6ac 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -90,7 +90,10 @@ et_history_file_list_free (GList *file_list)
 {
     g_return_if_fail (file_list != NULL);
 
-    g_list_free_full (file_list, (GDestroyNotify)et_history_file_free);
+    /* et_history_list_add() sets the list to the final element, so explicitly
+     * go back to the start. */
+    g_list_free_full (g_list_first (file_list),
+                      (GDestroyNotify)et_history_file_free);
 }
 
 /*