patch 7.4.1324
Problem: Channels with pipes don't work on MS-Windows.
Solution: Add pipe I/O support. (Yasuhiro Matsumoto)
diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index e6e050c..c5e61be 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -5,7 +5,7 @@
void channel_gui_register(channel_T *channel);
void channel_gui_register_all(void);
channel_T *channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void));
-void channel_set_pipes(channel_T *channel, int in, int out, int err);
+void channel_set_pipes(channel_T *channel, sock_T in, sock_T out, sock_T err);
void channel_set_job(channel_T *channel, job_T *job);
void channel_set_json_mode(channel_T *channel, ch_mode_T ch_mode);
void channel_set_timeout(channel_T *channel, int timeout);