Add win32 method for looking up the current LANG string

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@15089 57a11ea4-9604-0410-9ed3-97b8803252fd

src/gnome/druid-hierarchy.c

@@ -185,12 +185,18 @@ gnc_get_ea_locale_dir(const char *top_dir)
 #ifdef HAVE_LC_MESSAGES
     locale = g_strdup(setlocale(LC_MESSAGES, NULL));
 #else
+# ifdef G_OS_WIN32
+    /* On win32, setlocale() doesn't say anything useful. Use
+       glib's function instead. */
+    locale = g_strdup( *g_get_language_names() );
+# else
     /*
      * Mac OS X 10.1 and earlier, not only doesn't have LC_MESSAGES
      * setlocale can sometimes return NULL instead of "C"
      */
     locale = g_strdup(setlocale(LC_ALL, NULL) ? 
 		      setlocale(LC_ALL, NULL) : "C");
+# endif
 #endif
 
     i = strlen(locale);