Add @global annotations for wp-admin/*.

See #32444.


git-svn-id: https://develop.svn.wordpress.org/trunk@32642 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/post.php

@@ -23,6 +23,11 @@ elseif ( isset( $_POST['post_ID'] ) )
 else
  	$post_id = $post_ID = 0;
 
+/**
+ * @global string  $post_type
+ * @global object  $post_type_object
+ * @global WP_Post $post
+ */
 global $post_type, $post_type_object, $post;
 
 if ( $post_id )