command: don't restart player in the "status" command

Don't attempt to restart the player if it was stopped, but there were
still songs left on the playlist.  This looks like it has been a
workaround for a bug which has been fixed long time ago.

src/playlist.c

@@ -861,6 +861,8 @@ enum playlist_result playPlaylistById(int id, int stopOnError)
 	return playPlaylist(song, stopOnError);
 }
 
+static void playPlaylistIfPlayerStopped(void);
+
 void syncPlayerAndPlaylist(void)
 {
 	if (playlist_state != PLAYLIST_STATE_PLAY)
@@ -911,7 +913,7 @@ void nextSongInPlaylist(void)
 	}
 }
 
-void playPlaylistIfPlayerStopped(void)
+static void playPlaylistIfPlayerStopped(void)
 {
 	if (getPlayerState() == PLAYER_STATE_STOP) {
 		enum player_error error = getPlayerError();