Security/SafeRedirect: update code comment for namespaced function calls tests

Author: rodrigoprimo

WordPress/Tests/Security/SafeRedirectUnitTest.inc

@@ -4,7 +4,7 @@ wp_redirect( $location ); // Warning.
 wp_safe_redirect( $location ); // OK.
 
 /*
- * Safeguard support for PHP 8.0+ tokenization of namespaced "names".
+ * Safeguard correct handling of all types of namespaced function calls
  */
 \wp_redirect( $location );
 MyNamespace\wp_redirect( $location );