patch 7.4.1336
Problem:    Channel NL mode is not supported yet.
Solution:   Add NL mode support to channels.
diff --git a/src/os_win32.c b/src/os_win32.c
index 4fd117f..c6f5cc2 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -5034,7 +5034,7 @@
 
 #if defined(FEAT_JOB) || defined(PROTO)
     void
-mch_start_job(char *cmd, job_T *job)
+mch_start_job(char *cmd, job_T *job, jobopt_T *options)
 {
     STARTUPINFO		si;
     PROCESS_INFORMATION	pi;
@@ -5121,6 +5121,7 @@
     job->jv_channel = channel;
     channel_set_pipes(channel, (sock_T)ifd[1], (sock_T)ofd[0], (sock_T)efd[0]);
     channel_set_job(channel, job);
+    channel_set_mode(channel, options->jo_mode);
 
 #   ifdef FEAT_GUI
      channel_gui_register(channel);