When deleting a post, return to the thread, not the board index (unless deleting the OP)

inc/mod/pages.php

@@ -1529,8 +1529,12 @@ function mod_delete($board, $post) {
 	// Rebuild themes
 	rebuildThemes('post-delete', $board);
 	// Redirect
+    if(isset($_GET['thread'])) {
+        header('Location: ?/' . sprintf($config['board_path'], $board) . $config['dir']['res'] . str_replace('%d', $_GET['thread'], $config['file_page']), true, $config['redirect_http']);
+    } else {
         header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
     }
+}
 
 function mod_deletefile($board, $post, $file) {
 	global $config, $mod;