master b654420: Minor improvement in 'get-locale-names' on MS-Windows

[Eli Zaretskii]

branch: master
commit b654420b1b9bd6f1da489278a7e18de7d1bf71dd
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Minor improvement in 'get-locale-names' on MS-Windows
    
    * lisp/international/mule-cmds.el (get-locale-names): Delete
    duplicate locales from the list returned by the MS-Windows
    implementation.
---
 lisp/international/mule-cmds.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index dc09dad..8494d54 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -2616,7 +2616,7 @@ is returned.  Thus, for instance, if charset 
\"ISO8859-2\",
    ;; On Windows we have a built-in method to get the names.
    ((and (fboundp 'w32-get-locale-info)
          (fboundp 'w32-get-valid-locale-ids))
-    (mapcar #'w32-get-locale-info (w32-get-valid-locale-ids)))
+    (delete-dups (mapcar #'w32-get-locale-info (w32-get-valid-locale-ids))))
    ;; Unix-ey hosts should have a command to output locales currently
    ;; defined by the OS.
    ((executable-find "locale")