[mpd] Cosmetic changes: fix indentation, use bool instead of int

src/mpd.c

@@ -148,7 +148,7 @@ static const char * const ffmpeg_mime_types[] = { "application/flv", "applicatio
 struct mpd_client_ctx
 {
   // True if the connection is already authenticated or does not need authentication
-  int authenticated;
+  bool authenticated;
 
   // The events the client needs to be notified of
   short events;