Merge pull request #1027 from pstef/patch-1

Add a missing package in dkp-pacman invocation

Author: fpscan

docs/development/retroarch/compilation/switch-libnx.md

@@ -9,7 +9,7 @@ Then, install all the required libraries:
     - replace `dkp-pacman` by `pacman` on Linux and Mac OS
 
 ```
-dkp-pacman -Sy devkit-env devkitA64 libnx switch-tools switch-mesa switch-zlib switch-bzip2 switch-liblzma switch-freetype switch-libpng switch-libvpx switch-ffmpeg
+dkp-pacman -Sy devkit-env devkitA64 libnx switch-tools switch-mesa switch-zlib switch-bzip2 switch-liblzma switch-freetype switch-libpng switch-libvpx switch-ffmpeg switch-libopus
 ```
 
 ## RetroArch Compilation