diag_confbak move tab_array code above diff display

At the moment the tabs "Config History" and "Backup/Restore" jump down the page below the config diff listing when a diff is displayed.
It seems better to me that the tab text stays where it is and the diff listing comes directly below it.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/usr/local/www/diag_confbak.php b/src/usr/local/www/diag_confbak.php
index bb67309..3f6ac31 100644
--- a/src/usr/local/www/diag_confbak.php
+++ b/src/usr/local/www/diag_confbak.php
@@ -139,6 +139,11 @@ if ($savemsg) {
 	print_info_box($savemsg, 'success');
 }
 
+$tab_array = array();
+$tab_array[] = array(gettext("Config History"), true, "diag_confbak.php");
+$tab_array[] = array(gettext("Backup/Restore"), false, "diag_backup.php");
+display_top_tabs($tab_array);
+
 if ($diff) {
 ?>
 <div class="panel panel-default">
@@ -179,11 +184,6 @@ if ($diff) {
 <?php
 }
 
-$tab_array = array();
-$tab_array[] = array(gettext("Config History"), true, "diag_confbak.php");
-$tab_array[] = array(gettext("Backup/Restore"), false, "diag_backup.php");
-display_top_tabs($tab_array);
-
 $form = new Form(new Form_Button(
 	'Submit',
 	gettext("Save")