webdav needs to load authentication apps

apps/user_ldap/appinfo/info.xml

@@ -7,4 +7,7 @@
 	<licence>AGPL</licence>
 	<author>Dominik Schmidt</author>
 	<require>2</require>
+	<types>
+		<authentication/>
+	</types>
 </info>

apps/user_openid/appinfo/info.xml

@@ -7,4 +7,7 @@
 	<licence>AGPL</licence>
 	<author>Robin Appelman</author>
 	<require>2</require>
+	<types>
+		<authentication/>
+	</types>
 </info>

files/webdav.php

@@ -27,7 +27,7 @@
 $RUNTIME_NOSETUPFS = true;
 
 // only need filesystem apps
-$RUNTIME_APPTYPES=array('filesystem');
+$RUNTIME_APPTYPES=array('filesystem','authentication');
 
 require_once('../lib/base.php');