[totem/wip/hadess/subtitle-labels-fixes: 2/4] backend: Fix g_list_free_full() warning

[Bastien Nocera <hadess src gnome org>]

commit b7c227dd939403aad74b6872e34e8f6d1e2f7600
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Feb 18 17:33:25 2019 +0100

    backend: Fix g_list_free_full() warning
    
    src/backend/bacon-video-widget.c:3466:29: warning: passing argument 2 of ‘g_list_free_full’ from 
incompatible pointer type [-Wincompatible-pointer-types]
         g_list_free_full (list, bacon_video_widget_lang_info_free);
                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 src/backend/bacon-video-widget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/backend/bacon-video-widget.c b/src/backend/bacon-video-widget.c
index 166482495..dcef7e23a 100644
--- a/src/backend/bacon-video-widget.c
+++ b/src/backend/bacon-video-widget.c
@@ -3463,7 +3463,7 @@ bacon_video_widget_get_languages (BaconVideoWidget * bvw)
   /* When we have only one language, we don't need to show
    * any languages, we default to the only track */
   if (g_list_length (list) == 1) {
-    g_list_free_full (list, bacon_video_widget_lang_info_free);
+    g_list_free_full (list, (GDestroyNotify) bacon_video_widget_lang_info_free);
     return NULL;
   }