! I don't think this is used anymore, but for now lets not throw an error

on linktree_inline ?

Signed-off-by: Spuds

Sources/Post.php

@@ -2031,7 +2031,7 @@ function Post2()
 		$context['linktree'][] = array(
 			'url' => $scripturl . '?topic=' . $topic . '.0',
 			'name' => $_POST['subject'],
-			'extra_before' => $settings['linktree_inline'] ? $txt['topic'] . ': ' : ''
+			'extra_before' => !empty($settings['linktree_inline']) ? $txt['topic'] . ': ' : ''
 		);
 
 		if (isset($_REQUEST['msg']))
@@ -2879,4 +2879,4 @@ function JavaScriptModify()
 		obExit(false);
 }
 
-?>
+?>