Tidy up some coding guideline issues.

Author: danmarsden

auth.php

@@ -1139,7 +1139,7 @@ private function execute_callback($function, $file = 'lib.php') {
     /**
      * Called from SimpleSamlphp after a LogoutResponse from the IdP
      */
-    static public function auth_saml2_after_logout_from_idp_front_channel() {
+    public static function auth_saml2_after_logout_from_idp_front_channel() {
         global $saml2config;
 
         // The SP session will be cleaned up but we need to remove the

version.php

@@ -29,6 +29,6 @@
 $plugin->requires  = 2017051509;    // Requires PHP 7, 2017051509 = T12. M3.3
                                     // Strictly we require either Moodle 3.5 OR
                                     // we require Totara 3.3, but the version number
-                                    // for Totara 3.3 is the same as Moodle 3.3
+                                    // for Totara 3.3 is the same as Moodle 3.3.
 $plugin->component = 'auth_saml2';  // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;