Fixed: JS error during load importing page (#127)

Co-authored-by: Jing Chen <three_chenjing@sohu.com>

Author: ddb4github

syslog_alerts.php

@@ -849,9 +849,7 @@ function import() {
 		)
 	);
 
-	?>
-	<form method='post' action='syslog_alerts.php' enctype='multipart/form-data'>
-	<?php
+	form_start('syslog_alerts.php', '', true);
 
 	html_start_box(__('Import Alert Rule', 'syslog'), '100%', false, '3', 'center', '');
 

syslog_removal.php

@@ -758,9 +758,7 @@ function import() {
 		)
 	);
 
-	?>
-	<form method='post' action='syslog_removal.php' enctype='multipart/form-data'>
-	<?php
+	form_start('syslog_removal.php', '', true);
 
 	html_start_box(__('Import Removal Rule', 'syslog'), '100%', false, '3', 'center', '');
 

syslog_reports.php

@@ -741,9 +741,7 @@ function import() {
 		)
 	);
 
-	?>
-	<form method='post' action='syslog_reports.php' enctype='multipart/form-data'>
-	<?php
+	form_start('syslog_reports.php', '', true);
 
 	html_start_box(__('Import Report Data', 'syslog'), '100%', false, '3', 'center', '');