Fix spelling error of ForceAuthn.

Thanks to Patrick Honing for providing this patch.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2327 44740490-163a-0410-bde0-09ae8108e29a

modules/saml/docs/sp.txt

@@ -22,7 +22,7 @@ All these parameters override the equivalent option from the configuration.
 :   *Note*: SAML 2 specific.
 
 
-`ForceAuthnn`
+`ForceAuthn`
 :   Force authentication allows you to force re-authentication of users even if the user has a SSO session at the IdP.
 
 :   *Note*: SAML 2 specific.

modules/saml/lib/Auth/Source/SP.php

@@ -193,7 +193,7 @@ class sspmod_saml_Auth_Source_SP extends SimpleSAML_Auth_Source {
 			$ar->setRequestedAuthnContext(array('AuthnContextClassRef' => $accr));
 		}
 
-		if (isset($state['ForceAuthnn'])) {
+		if (isset($state['ForceAuthn'])) {
 			$ar->setForceAuthn((bool)$state['ForceAuthn']);
 		}
 

modules/saml/lib/IdP/SAML2.php

@@ -321,7 +321,7 @@ class sspmod_saml_IdP_SAML2 {
 			'saml:IDPList' => $IDPList,
 			'saml:ProxyCount' => $ProxyCount,
 			'saml:RequesterID' => $RequesterID,
-			'ForceAuthnn' => $forceAuthn,
+			'ForceAuthn' => $forceAuthn,
 			'isPassive' => $isPassive,
 			'saml:ConsumerURL' => $consumerURL,
 			'saml:Binding' => $protocolBinding,