patch 8.0.1269: effect of autocommands on marks is not tested

Problem:    Effect of autocommands on marks is not tested.
Solution:   Add a couple of tests. (James McCoy, closes #2271)
diff --git a/src/version.c b/src/version.c
index 2076aed..5f198f5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1269,
+/**/
     1268,
 /**/
     1267,