Index: shadow-4.0.18.1/src/su.c
===================================================================
--- shadow-4.0.18.1.orig/src/su.c	2006-09-17 12:17:47.383953038 +0200
+++ shadow-4.0.18.1/src/su.c	2006-09-17 12:17:52.483993589 +0200
@@ -321,7 +321,7 @@
 #endif
 #endif				/* !USE_PAM */
 
-	sanitize_env ();
+	/* sanitize_env (); */
 
 	setlocale (LC_ALL, "");
 	bindtextdomain (PACKAGE, LOCALEDIR);
