patch 7.4.1283
Problem:    The job feature isn't available on MS-Windows.
Solution:   Add the job feature.  Fix argument of job_stop(). (Yasuhiro
            Matsumoto)
diff --git a/src/proto/os_win32.pro b/src/proto/os_win32.pro
index a5d4c77..2128807 100644
--- a/src/proto/os_win32.pro
+++ b/src/proto/os_win32.pro
@@ -40,6 +40,9 @@
 void mch_new_shellsize(void);
 void mch_set_winsize_now(void);
 int mch_call_shell(char_u *cmd, int options);
+void mch_start_job(char *cmd, job_T *job);
+char *mch_job_status(job_T *job);
+int mch_stop_job(job_T *job, char_u *how);
 void mch_set_normal_colors(void);
 void mch_write(char_u *s, int len);
 void mch_delay(long msec, int ignoreinput);