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)
diff --git a/src/version.c b/src/version.c
index b9207f5..26a66f0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1639,
+/**/
     1638,
 /**/
     1637,