[node] fixed one-file transfer logical issue

src/main.go

@@ -30,7 +30,7 @@ import (
 )
 
 var (
-	VERSION string = "v2.1.3"
+	VERSION string = "v2.1.4"
 
 	versionInformation string = fmt.Sprintf("ftu %s\n\nCopyright (C) 2021  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))\nThis program comes with ABSOLUTELY NO WARRANTY.\nThis is free software, and you are welcome to redistribute it under certain conditions; type \"ftu -l\" for details.\n", VERSION)
 

src/node/node.go

@@ -420,6 +420,11 @@ func (node *Node) Start() {
 						panic(err)
 					}
 
+					filesInfoDonePacket := protocol.Packet{
+						Header: protocol.HeaderFilesInfoDone,
+					}
+					protocol.SendPacket(node.netInfo.Conn, filesInfoDonePacket)
+
 					if node.verboseOutput {
 						fmt.Printf("\n[File] Sent filepacket for \"%s\"", fileToSend.Name)
 					}