Login: Swap `bloginfo()` usage for `get_bloginfo()`.

[41843] introduced a use of `bloginfo()`, where it should be using `get_bloginfo()`.

Props dlh.
Fixes #34625.


Built from https://develop.svn.wordpress.org/trunk@41850


git-svn-id: http://core.svn.wordpress.org/trunk@41684 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-beta2-41849';
+$wp_version = '4.9-beta2-41850';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

wp-login.php

@@ -140,7 +140,7 @@ function login_header( $title = 'Log In', $message = '', $wp_error = '' ) {
 	 * while single sites get the header title.
 	 */
 	if ( is_multisite() ) {
-		$login_header_text = bloginfo( 'name' );
+		$login_header_text = get_bloginfo( 'name', 'display' );
 	} else {
 		$login_header_text = $login_header_title;
 	}