patch 8.2.1639: options window cannot be translated

Problem:    Options window cannot be translated.
Solution:   Get the translation for "local to" texts once and use them in many
            places. Fix that 'whichwrap' is not a local option. (issue #6800)

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1639,
 /**/
     1638,
 /**/