[pitivi] flatpak: Update x265 tarball url

[Thibault Saunier <tsaunier src gnome org>]

commit 779b32d4fc275465111e6d539f83d72557e2dcc9
Author: Thibault Saunier <tsaunier igalia com>
Date:   Mon Aug 24 18:10:03 2020 -0400

    flatpak: Update x265 tarball url
    
    Previous URL was failling with 403

 build/flatpak/org.pitivi.Pitivi.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build/flatpak/org.pitivi.Pitivi.json b/build/flatpak/org.pitivi.Pitivi.json
index cc8ab2fa..a9817b4e 100644
--- a/build/flatpak/org.pitivi.Pitivi.json
+++ b/build/flatpak/org.pitivi.Pitivi.json
@@ -169,7 +169,7 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://bitbucket.org/multicoreware/x265/downloads/x265_3.2.1.tar.gz";,
+                    "url": "https://get.videolan.org/x265/x265_3.2.1.tar.gz";,
                     "sha256": "fb9badcf92364fd3567f8b5aa0e5e952aeea7a39a2b864387cec31e3b58cbbcc"
                 }
             ]