Fixed: FS#1666 - maildrop_plugin $ar_file

Author: tbrehm

server/plugins-available/maildrop_plugin.inc.php

@@ -125,7 +125,7 @@ function update($event_name,$data) {
 			$file = $this->mailfilter_config_dir.'/'.$email_parts[1].'/'.$email_parts[0].'/.vacation.msg';
 			if(is_file($file)) unlink($file) or $app->log("Unable to delete file: $file",LOGLEVEL_WARN);
 			$file = $this->mailfilter_config_dir.'/'.$email_parts[1].'/'.$email_parts[0].'/.autoresponder';
-			if(is_file($file)) unlink($ar_file) or $app->log("Unable to delete file: $ar_file",LOGLEVEL_WARN);
+			if(is_file($file)) unlink($file) or $app->log("Unable to delete file: $file",LOGLEVEL_WARN);
 
 
 			//Now we create the new autoresponder, if it is enabled