patch 8.2.2200: Vim9: lambda without white space around -> is confusing

Problem:    Vim9: lambda without white space around -> is confusing.
Solution:   Require white space in a :def funtion. (issue #7503)
diff --git a/src/version.c b/src/version.c
index 0fadf6b..e3fd6c1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2200,
+/**/
     2199,
 /**/
     2198,