blocks MDL-23935 fixed abuse of moodle_page protected variables

lib/blocklib.php

@@ -1114,7 +1114,7 @@ class block_manager {
         $editurlparams = $this->page->url->params();
         $editurlparams['bui_editid'] = $blockid;
         $editpage->set_url($editurlbase, $editurlparams);
-        $editpage->_block_actions_done = true;
+        $editpage->set_block_actions_done();
         // At this point we are either going to redirect, or display the form, so
         // overwrite global $PAGE ready for this. (Formslib refers to it.)
         $PAGE = $editpage;

lib/pagelib.php

@@ -1613,6 +1613,10 @@ class moodle_page {
     public function has_set_url() {
         return ($this->_url!==null);
     }
+
+    public function set_block_actions_done($setting = true) {
+        $this->_block_actions_done = $setting;
+    }
 }
 
 /**