playlist: eliminate unused fd parameters

Again, remove file descriptor parameters, which are not actually
used.  These functions can also be converted to return void.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/playlist.h b/src/playlist.h
index 2ba28f9e4..2e9e02a91 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -36,7 +36,7 @@ void readPlaylistState(FILE *);
 
 void savePlaylistState(FILE *);
 
-int clearPlaylist(int fd);
+void clearPlaylist(void);
 
 int clearStoredPlaylist(int fd, char *utf8file);
 
@@ -62,17 +62,17 @@ void playlist_queue_next(void);
 
 int playlist_playing(void);
 
-int stopPlaylist(int fd);
+void stopPlaylist(void);
 
 int playPlaylist(int fd, int song, int stopOnError);
 
 int playPlaylistById(int fd, int song, int stopOnError);
 
-int nextSongInPlaylist(int fd);
+void nextSongInPlaylist(void);
 
 void syncPlayerAndPlaylist(void);
 
-int previousSongInPlaylist(int fd);
+void previousSongInPlaylist(void);
 
 int shufflePlaylist(int fd);