Replace Windows line breaks with Unix line breaks in custom mail filters.

Till Brehm

2016-06-29 56a9c765e6409900ed3b9225be839bf6200260ae

 server/plugins-available/maildrop_plugin.inc.php

@@ -211,7 +211,7 @@
                  $mailfilter_content .= file_get_contents($conf["rootpath"].'/conf/mailfilter_move_junk.master')."\n";
               }
            }
            $mailfilter_content .= $data["new"]["custom_mailfilter"];
            $mailfilter_content .= str_replace("\r\n","\n",$data["new"]["custom_mailfilter"]);

            // Replace windows linebreaks in mailfilter file
            $mailfilter_content = str_replace("\r\n", "\n", $mailfilter_content);