Prevent 'paged-*' from being added to body classes on 404 error pages.

props psoluch.
see #16468.
Built from https://develop.svn.wordpress.org/trunk@28249


git-svn-id: http://core.svn.wordpress.org/trunk@28077 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-template.php

@@ -612,10 +612,10 @@ function get_body_class( $class = '' ) {
 
 	$page = $wp_query->get( 'page' );
 
-	if ( !$page || $page < 2)
+	if ( ! $page || $page < 2 )
 		$page = $wp_query->get( 'paged' );
 
-	if ( $page && $page > 1 ) {
+	if ( $page && $page > 1 && ! is_404() ) {
 		$classes[] = 'paged-' . $page;
 
 		if ( is_single() )