[totem/wip/hadess/3.38.2: 4/7] opensubtitles: Also handle MPL subtitles

[Bastien Nocera <hadess src gnome org>]

commit 2df63656b933c9b4c4d412f5f649206eaddeec08
Author: Ignacy Kuchciński <ignacykuchcinski gmail com>
Date:   Mon Sep 6 18:49:21 2021 +0200

    opensubtitles: Also handle MPL subtitles

 src/plugins/opensubtitles/opensubtitles.py | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/opensubtitles/opensubtitles.py b/src/plugins/opensubtitles/opensubtitles.py
index d044531e7..d664f547a 100644
--- a/src/plugins/opensubtitles/opensubtitles.py
+++ b/src/plugins/opensubtitles/opensubtitles.py
@@ -34,6 +34,7 @@ SUBTITLES_EXT = [
     "smi",
     "ssa",
     "ass",
+    "mpl",
 ]
 
 # Map of the language codes used by opensubtitles.org's API to their