nvidia_x11: move vdpau libraries to lib/vdpau

pkgs/os-specific/linux/nvidia-x11/builder.sh

@@ -119,8 +119,12 @@ installPhase() {
     # For simplicity and dependency reduction, don't support the gtk3 interface.
     rm $out/lib/libnvidia-gtk3.*
 
-    # we distribute these separately in `libvdpau`
+    # We distribute these separately in `libvdpau`
     rm "$out"/lib/libvdpau{.*,_trace.*}
+
+    # Move VDPAU libraries to their place
+    mkdir "$out"/lib/vdpau
+    mv "$out"/lib/libvdpau* "$out"/lib/vdpau
 }