Update recipe.yml

Author: kzwkt

recipe.yml

@@ -6,6 +6,7 @@ ingredients:
   package: mpv
   sources:
     - deb http://www.deb-multimedia.org stable-backports main non-free 
+    - deb http://www.deb-multimedia.org stable main non-free
     - deb http://ftp.debian.org/debian/ stable main contrib non-free non-free-firmware
     - deb http://security.debian.org/debian-security/ stable-security main contrib non-free non-free-firmware
     - deb http://ftp.debian.org/debian/ stable-updates main contrib non-free non-free-firmware