fixed sieve mail filter creation

Daniel Steglich

2016-03-18 9dfbec64488b6ca145a0f5ec305a17a068df8eb9

 interface/lib/plugins/mail_user_filter_plugin.inc.php

@@ -177,7 +177,7 @@
            } elseif ($page_form->dataRecord["op"] == 'is') {
               $content .= "^".$searchterm."$";
            } elseif ($page_form->dataRecord["op"] == 'begins') {
               $content .= " ".$searchterm."";
               $content .= "^".$searchterm."";
            } elseif ($page_form->dataRecord["op"] == 'ends') {
               $content .= ".*".$searchterm."$";
            }