patch 8.2.0499: calling a lambda is slower than evaluating a string

Problem:    Calling a lambda is slower than evaluating a string.
Solution:   Make calling a lambda faster. (Ken Takata, closes #5727)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    499,
 /**/
     498,
 /**/