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/edit.php

@@ -18,6 +18,10 @@ if ( 'attachment' === $typenow ) {
 	}
 }
 
+/**
+ * @global string $post_type
+ * @global object $post_type_object
+ */
 global $post_type, $post_type_object;
 
 $post_type = $typenow;