patch 7.4.1422

Problem:    Error when reading fails uses wrong errno.  Keeping channel open
            after job stops results in test failing.
Solution:   Move the error up.  Add ch_job_killed.

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1422,
 /**/
     1421,
 /**/