Fixed #1021 preload count being max int triggers buffer overflow in g…

…etRecentDownloads()

app/src/main/java/github/daneren2005/dsub/service/DownloadService.java

@@ -1083,7 +1083,7 @@ public synchronized List<DownloadFile> getDownloads() {
 
 	public synchronized List<DownloadFile> getRecentDownloads() {
 		int from = Math.max(currentPlayingIndex - 10, 0);
-		int songsToKeep = Math.max(Util.getPreloadCount(this), 20);
+		int songsToKeep = Math.min(Math.max(Util.getPreloadCount(this), 20), downloadList.size());
 		int to = Math.min(currentPlayingIndex + songsToKeep, Math.max(downloadList.size() - 1, 0));
 		List<DownloadFile> temp = downloadList.subList(from, to);
 		temp.addAll(backgroundDownloadList);