- performance fix: don't check mbstring functions existence too often

alecpl

2009-07-23 ee258ce15870e6cb4b733087368a062b5fd66b52

 program/steps/mail/show.inc

@@ -162,7 +162,7 @@
        $ol .= html::tag('li', null, sprintf("%s (%s)", Q($attach_prop->filename), Q(show_bytes($attach_prop->size))));
      }
      else {
        if (rc_strlen($attach_prop->filename) > 50) {
        if (mb_strlen($attach_prop->filename) > 50) {
          $filename = abbreviate_string($attach_prop->filename, 50);
          $title = $attach_prop->filename;
      }