Fix problem with static linking:

> Script started on Sat May 12 22:18:47 2001
> ttyp1:bde@gamplex:/usr/src/libexec/rshd> rsh localhost ls
> rcmd: localhost: Undefined error: 0

Reported by:	bde

contrib/libpam/libpam/pam_static.c

@@ -29,7 +29,7 @@ struct pam_module * _pam_open_static_handler(const char *path)
 
     if (strchr(clpath, '/')) {
         /* ignore path and leading "/" */
-	clpath = strrchr(lpath, '/') + 1;
+	clpath = strrchr(clpath, '/') + 1;
     }
     /* create copy to muck with (must free before return) */
     lpath = _pam_strdup(clpath);