patch 8.1.1129: when making a new screendump test have to create the file

Problem:    When making a new screendump test have to create the file.
Solution:   Continue creating the failed screendump, so it can be moved once
            it is correct.
diff --git a/src/version.c b/src/version.c
index 51ae14c..5da9578 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1129,
+/**/
     1128,
 /**/
     1127,