preset: fix subtitle selection with empty language list

With HandBrakeCLI --all-subtitles and *no* --subtitle-lang-list, no
subtitles were added

1 files changed, 2 insertions, 2 deletions

diff --git a/libhb/preset.c b/libhb/preset.c
index daa9df81f..e3c6fda60 100644
--- a/libhb/preset.c
+++ b/libhb/preset.c
@@ -1170,8 +1170,8 @@ int hb_preset_job_add_subtitles(hb_handle_t *h, int title_index,
         }
         if (count <= 0)
         {
-            // No matching language.  Try "Unknown" language
-            add_subtitle_for_lang(list, title, mux, "und", &behavior);
+            // No languages in language list, assume "any"
+            add_subtitle_for_lang(list, title, mux, "any", &behavior);
         }
     }