[epiphany] gnome-languages: Fix uninitialized warnings

[Michael Catanzaro <mcatanzaro src gnome org>]

commit acbbd2ad58df00ce19c766e7f3ae14a34c97834b
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Thu May 7 11:40:19 2020 +0200

    gnome-languages: Fix uninitialized warnings
    
    ../lib/contrib/gnome-languages.c:728:25: warning: ‘old_locale’ may be used uninitialized in this function 
[-Wmaybe-uninitialized]
      728 |                         uselocale (old_locale);
          |                         ^~~~~~~~~~~~~~~~~~~~~~
    ../lib/contrib/gnome-languages.c:729:25: warning: ‘loc’ may be used uninitialized in this function 
[-Wmaybe-uninitialized]
      729 |                         freelocale (loc);
          |                         ^~~~~~~~~~~~~~~~

 lib/contrib/gnome-languages.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/lib/contrib/gnome-languages.c b/lib/contrib/gnome-languages.c
index d663c1507..75ba956c2 100644
--- a/lib/contrib/gnome-languages.c
+++ b/lib/contrib/gnome-languages.c
@@ -764,7 +764,7 @@ get_translated_territory (const char *code,
         if (territory != NULL) {
                 const char *translated_territory;
                 locale_t loc;
-                locale_t old_locale;
+                locale_t old_locale = NULL;
                 g_autofree char *tmp = NULL;
 
                 if (locale != NULL) {