patch 8.1.1253: mapping completion test fails

Problem:    Mapping completion test fails.
Solution:   Fix expected output.
diff --git a/src/version.c b/src/version.c
index aa0d1e6..c166346 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1253,
+/**/
     1252,
 /**/
     1251,