patch 7.4.1380

Problem:    The job exit callback is not implemented.
Solution:   Add the "exit-cb" option.

src/version.c

@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1380,
 /**/
     1379,
 /**/