Multisite: Use `get_home_url()` instead of `get_blogaddress_by_id()` in `wp-activate.php`.

`get_home_url()` is a better fit for the "View your site" link and can be properly filtered. This is the last remaining use of `get_blogaddress_by_id()` in core.

Props boboudreau, spacedmonkey.
Fixes #26855.

Built from https://develop.svn.wordpress.org/trunk@38664


git-svn-id: http://core.svn.wordpress.org/trunk@38607 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-activate.php

@@ -125,7 +125,7 @@ get_header( 'wp-activate' );
 				<?php
 			}
 		} else {
-			$url = isset( $result['blog_id'] ) ? get_blogaddress_by_id( (int) $result['blog_id'] ) : '';
+			$url = isset( $result['blog_id'] ) ? get_home_url( (int) $result['blog_id'] ) : '';
 			$user = get_userdata( (int) $result['user_id'] );
 			?>
 			<h2><?php _e('Your account is now active!'); ?></h2>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38663';
+$wp_version = '4.7-alpha-38664';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.