patch 9.0.0572: insert complete tests leave a mapping behind

Problem:    Insert complete tests leave a mapping behind.
Solution:   Use a buffer-local mapping. (closes #11211)
diff --git a/src/version.c b/src/version.c
index ad6a9ed..b07c013 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    572,
+/**/
     571,
 /**/
     570,