patch 8.1.0847: may use terminal after it was cleaned up

Problem:    May use terminal after it was cleaned up.
Solution:   Use the job pointer.
diff --git a/src/version.c b/src/version.c
index f693b66..729f650 100644
--- a/src/version.c
+++ b/src/version.c
@@ -784,6 +784,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    847,
+/**/
     846,
 /**/
     845,