Merge pull request #15305 from rardiol/libvdpau-va-gl

libvdpau-va-gl: fix build missing libva-x11

pkgs/top-level/all-packages.nix

···
 
   libvdpau = callPackage ../development/libraries/libvdpau { };
 
-  libvdpau-va-gl = callPackage ../development/libraries/libvdpau-va-gl { };
+  libvdpau-va-gl = callPackage ../development/libraries/libvdpau-va-gl {
+    libva = libva-full; # also wants libva-{x11}
+  };
 
   libvirt = callPackage ../development/libraries/libvirt { };