FTP: fix compatibility with mod_ftp's LISTisNLST option.

net/ftp/ftp_network_transaction.cc

Index: net/ftp/ftp_network_transaction.cc
diff --git a/net/ftp/ftp_network_transaction.cc b/net/ftp/ftp_network_transaction.cc
index ecbe6cd858138e3653f8fcc4f6b3b0cb2fd67c71..1b5bd92f61465ce67121b137bb3bbd04c0f64450 100644
--- a/net/ftp/ftp_network_transaction.cc
+++ b/net/ftp/ftp_network_transaction.cc
@@ -1149,7 +1149,13 @@ int FtpNetworkTransaction::ProcessResponseCWDNotADirectory() {
 
 // LIST command
 int FtpNetworkTransaction::DoCtrlWriteLIST() {
-  std::string command(system_type_ == SYSTEM_TYPE_VMS ? "LIST *.*;0" : "LIST");
+  // Use the -l option for mod_ftp configured in LISTIsNLST mode: the option
+  // forces LIST output instead of NLST (which would be ambiguous for us
+  // to parse).
+  std::string command("LIST -l");
+  if (system_type_ == SYSTEM_TYPE_VMS)
+    command = "LIST *.*;0";
+
   next_state_ = STATE_CTRL_READ;
   return SendFtpCommand(command, command, COMMAND_LIST);
 }