[pitivi] build: Fix libpeas repo

[Alexandru Băluț <alexbalut src gnome org>]

commit 4dd9ed8a872a5cc245f580c5d38032506835da64
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sat Jun 2 22:48:02 2018 +0200

    build: Fix libpeas repo

 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 b6901002..ab4627c2 100644
--- a/build/flatpak/org.pitivi.Pitivi.json
+++ b/build/flatpak/org.pitivi.Pitivi.json
@@ -594,7 +594,7 @@
             "sources": [
                 {
                     "type": "git",
-                    "url": "git://git.gnome.org/libpeas"
+                    "url": "https://git.gnome.org/browse/libpeas";
                 },
                 {
                     "type": "patch",