Added missing type-hint for StartShowHTML hook

Signed-off-by: Roland Haeder <roland@mxchange.org>

diff --git a/plugins/Linkback/LinkbackPlugin.php b/plugins/Linkback/LinkbackPlugin.php
index f44a11ac64451ef08d3925b70d93493f61795f20..6f929faaf7a4a9a6922f7ac8f57ac8505354b3cc 100644 (file)
--- a/plugins/Linkback/LinkbackPlugin.php
+++ b/plugins/Linkback/LinkbackPlugin.php
@@ -344,7 +344,7 @@ class LinkbackPlugin extends Plugin
                     ['action' => 'pingback']);
     }
 
-    public function onStartShowHTML($action)
+    public function onStartShowHTML(Action $action)
     {
         header('Link: <' . common_local_url('webmention') . '>; rel="webmention"', false);
         header('X-Pingback: ' . common_local_url('pingback'));