patch 8.2.4425: map() function does not check function arguments

Problem:    map() function does not check function arguments at compile time.
Solution:   Give an error if the arguments of a map() function are wrong.
diff --git a/src/version.c b/src/version.c
index f151531..1fdf4e4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4425,
+/**/
     4424,
 /**/
     4423,