Fix so text/calendar parts are listed as attachments even if not marked as such (#1490325)

CHANGELOG

@@ -7,6 +7,7 @@ CHANGELOG Roundcube Webmail
 - Fix PHP warning: Non-static method PEAR::setErrorHandling() should not be called statically (#1490343)
 - Fix tables listing routine on mysql and postgres so it skips system or other database tables and views (#1490337)
 - Fix message list header in classic skin on window resize in Internet Explorer (#1490213)
+- Fix so text/calendar parts are listed as attachments even if not marked as such (#1490325)
 
 RELEASE 1.1.1
 -------------

program/lib/Roundcube/rcube_message.php

@@ -782,6 +782,14 @@ class rcube_message
                 else if ($mail_part->mimetype == 'message/rfc822') {
                     $this->parse_structure($mail_part);
                 }
+                // calendar part not marked as attachment (#1490325)
+                else if ($part_mimetype == 'text/calendar') {
+                    if (!$mail_part->filename) {
+                        $mail_part->filename = 'calendar.ics';
+                    }
+
+                    $this->attachments[] = $mail_part;
+                }
             }
 
             // if this was a related part try to resolve references