ISO-2022-JP-MS patch for roundcube 0.94

roundcube0.94.patch

--- rcube_charset.php.org       2013-09-06 21:20:49.000000000 +0900
+++ rcube_charset.php   2013-12-13 11:27:54.000000000 +0900
@@ -177,6 +177,7 @@
         static $mbstring_sch    = null;
         static $conv            = null;

+               if(strcasecmp('iso-2022-jp', $from)===0) $from = 'ISO-2022-JP-MS';
         $to   = empty($to) ? RCUBE_CHARSET : $to;
         $from = self::parse_charset($from);

@@ -239,7 +240,10 @@

             // return if encoding found, string matches encoding and convert succeeded
             if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) {
-                if (mb_check_encoding($str, $mb_from)) {
+            //    if (mb_check_encoding($str, $mb_from)) {
+                                 if (mb_check_encoding($str, $mb_from) ||
+                     strcasecmp('ISO-2022-JP-MS', mb_detect_encoding($str, $mb_from))===0
+                     ) {
                     // Do the same as //IGNORE with iconv
                     mb_substitute_character('none');
                     $out = mb_convert_encoding($str, $mb_to, $mb_from);