From c085ce28e8056a487f29fc31b38de5577e36dec8 Mon Sep 17 00:00:00 2001
From: Yahnis Elsts <whiteshadow@w-shadow.com>
Date: Fri, 19 Oct 2012 17:01:16 +0000
Subject: [PATCH] Check if an update actually exists before converting to
 StdClass (what if $state was null?).

---
 plugin-update-checker.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin-update-checker.php b/plugin-update-checker.php
index cf6c820..fc51ce2 100644
--- a/plugin-update-checker.php
+++ b/plugin-update-checker.php
@@ -298,7 +298,7 @@ class PluginUpdateChecker {
 	 * @return void
 	 */
 	private function setUpdateState($state) {
-		if ( $state->update instanceof PluginUpdate ) {
+		if ( isset($state->update) && ($state->update instanceof PluginUpdate) ) {
 			$state->update = $state->update->toStdClass();
 		}
 		update_option($this->optionName, $state);