Use existing Force IPV4 Config

goutubedl.go

@@ -527,10 +527,7 @@ type DownloadOptions struct {
 	Filter string
 	// The index of the entry to download from the playlist that would be
 	// passed to youtube-dl via --playlist-items. The index value starts at 1
-	PlaylistIndex int
-
-	// -4 Make all connections via IPv4
-	UseIPV4 bool		
+	PlaylistIndex int	
 }
 
 func (result Result) DownloadWithOptions(
@@ -613,7 +610,7 @@ func (result Result) DownloadWithOptions(
 		cmd.Args = append(cmd.Args, "--load-info", jsonTempPath)
 	}
 	//Force IPV4 Usage
-	if options.UseIPV4 {
+	if result.Options.UseIPV4 {
 		cmd.Args = append(cmd.Args, "-4")
 	}
 	// don't need to specify if direct as there is only one