patch 8.2.2716: the equivalent class regexp is missing some characters

Problem:    The equivalent class regexp is missing some characters.
Solution:   Update the list of equivalent characters. (Dominique Pellé,
            closes #8029)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2716,
 /**/
     2715,
 /**/