This patch makes sure the password checking helper
	is called whenever the passwd field is invalid, not
	just if it's "x". People sometimes use other strings, 
	too, e.g. "!".

--- Linux-PAM-0.76/modules/pam_unix/support.c.helper	Tue Jul  9 06:44:18 2002
+++ Linux-PAM-0.76/modules/pam_unix/support.c	Wed Aug 21 12:30:50 2002
@@ -565,7 +565,7 @@
 	}
 
 	retval = PAM_SUCCESS;
-	if (pwd == NULL || salt == NULL || !strcmp(salt, "x")) {
+	if (pwd == NULL || salt == NULL || strlen(salt) == 1) {
 		if (geteuid()) {
 			/* we are not root perhaps this is the reason? Run helper */
 			D(("running helper binary"));