cue.lua: fix double URL encoding of directory name

Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>
(cherry picked from commit 7ffe01c7df0cca88e71b9079b961d05aee9b08de)
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

share/lua/playlist/cue.lua

@@ -46,7 +46,7 @@ function cue_path( src )
 		return src
 	end
 
-	local path = string.gsub( vlc.path, '\\', '/' )
+	local path = string.gsub( vlc.strings.decode_uri(vlc.path), '\\', '/' )
 	local slash = string.find( string.reverse( path ), '/' )
 	if( path == nil ) then
 		return src