Replace generic "Dear user" greeting in email notifications with a more personalized one.

props Ipstenu.
fixes #31217.

git-svn-id: https://develop.svn.wordpress.org/trunk@31403 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/ms-delete-site.php

@@ -26,6 +26,7 @@ if ( isset( $_GET['h'] ) && $_GET['h'] != '' && get_option( 'delete_blog_hash' )
 }
 
 $blog = get_blog_details();
+$user = wp_get_current_user();
 
 $title = __( 'Delete Site' );
 $parent_file = 'tools.php';
@@ -42,9 +43,11 @@ if ( isset( $_POST['action'] ) && $_POST['action'] == 'deleteblog' && isset( $_P
 
 	$url_delete = esc_url( admin_url( 'ms-delete-site.php?h=' . $hash ) );
 
-	$content = __( "Dear User,
+	$content = __( "Howdy ###USERNAME###,
+
 You recently clicked the 'Delete Site' link on your site and filled in a
 form on that page.
+
 If you really want to delete your site, click the link below. You will not
 be asked to confirm again so only click this link if you are absolutely certain:
 ###URL_DELETE###
@@ -65,6 +68,7 @@ Webmaster
 	 */
 	$content = apply_filters( 'delete_site_email_content', $content );
 
+	$content = str_replace( '###USERNAME###', $user->user_login, $content );
 	$content = str_replace( '###URL_DELETE###', $url_delete, $content );
 	$content = str_replace( '###SITE_NAME###', $current_site->site_name, $content );