branch-outside patch: Fix return value of function mc_config_normalize_before_save()

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

src/mcconfig/set.c

@@ -51,7 +51,7 @@ mc_config_normalize_before_save(const gchar * value)
     {
         conv = str_crt_conv_to ("UTF-8");
         if (conv == INVALID_CONV)
-            return;
+            return g_strdup(value);
 
         buffer = g_string_new ("");