player: removed player_control.fileTime

This variable is superfluous, it is only used to copy its value to
player_control.totalTime.  Since the original source of this value
(song->tag->time) will still be available at this point, we can safely
remove fileTime.

src/player_control.c

@@ -50,7 +50,6 @@ set_current_song(struct song *song)
 	assert(song != NULL);
 	assert(song->url != NULL);
 
-	pc.fileTime = song->tag ? song->tag->time : 0;
 	pc.next_song = song;
 }
 

src/player_control.h

@@ -90,7 +90,6 @@ struct player_control {
 	struct audio_format audio_format;
 	volatile float totalTime;
 	volatile float elapsedTime;
-	volatile float fileTime;
 	struct song *volatile next_song;
 	struct song *errored_song;
 	volatile enum player_queue_state queueState;

src/player_thread.c

@@ -60,7 +60,8 @@ static int waitOnDecode(int *decodeWaitedOn)
 		return -1;
 	}
 
-	pc.totalTime = pc.fileTime;
+	pc.totalTime = pc.next_song->tag != NULL
+		? pc.next_song->tag->time : 0;
 	pc.bitRate = 0;
 	audio_format_clear(&pc.audio_format);
 	*decodeWaitedOn = 1;