Fix for issue #524. The get() method of the SimpleSAML_Store interface should...

Fix for issue #524. The get() method of the SimpleSAML_Store interface should always return NULL in case of failure.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3227 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Store/SQL.php

@@ -252,6 +252,10 @@ class SimpleSAML_Store_SQL extends SimpleSAML_Store {
 		}
 		$value = urldecode($value);
 		$value = unserialize($value);
+
+                if ($value === FALSE) {
+                    return NULL;
+                }
 		return $value;
 	}