patch 8.2.4657: errors for functions are sometimes hard to read

Problem:    Errors for functions are sometimes hard to read.
Solution:   Use printable_func_name() in more places.
diff --git a/src/version.c b/src/version.c
index ade858d..1e9c718 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4657,
+/**/
     4656,
 /**/
     4655,