Fixed link to premake video

Working-on-GNU-Linux.md

@@ -169,4 +169,4 @@ See https://github.com/raylib-extras/game-premake for instructions
 
 Or watch the video tutorial here
 
-https://www.youtube.com/watch?v=oHIh01L6xQQ
+https://www.youtube.com/watch?v=--gI9083QnU