Index: wp-includes/version.php
===================================================================
--- wp-includes/version.php	(revision 18660)
+++ wp-includes/version.php	(working copy)
@@ -6,6 +6,12 @@
  */
 $wp_version = '3.3-aortic-dissection';
 
+if ( is_admin() && file_exists( ABSPATH . '.svn/entries' ) ) {
+	$svn = file( ABSPATH . '.svn/entries' );
+	$wp_version .= '-r' . trim( $svn[3] );
+	unset($svn);
+}
+
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
  *