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.

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4657,
 /**/
     4656,
 /**/