Merge pull request SAML-Toolkits#183 from samstoller/master

Fix strpos bug when decrypting assertions

Author: pitbulk

lib/Saml2/Response.php

@@ -1001,7 +1001,7 @@ protected function _decryptAssertion($dom)
 
                 if (strpos($encryptedAssertion->tagName, 'saml2:') !== false) {
                     $ns = 'xmlns:saml2';
-                } else if (strpos($encryptedAssertion->tagName, 'saml:') != false) {
+                } else if (strpos($encryptedAssertion->tagName, 'saml:') !== false) {
                     $ns = 'xmlns:saml';
                 } else {
                     $ns = 'xmlns';