curl: fixed stage 1 compilation

network/curl/curl.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../curl/curl.conf
-# Copyright (C) 2007 - 2010 The OpenSDE Project
+# Copyright (C) 2007 - 2011 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -25,3 +25,7 @@ var_append extraconfopt ' ' '--without-ca-bundle'
 if pkginstalled openssl; then
 	var_append extraconfopt ' ' '--with-ca-path=/etc/ssl/certs'
 fi
+
+if atstage cross; then
+	var_append configcache ' ' 'ac_cv_file__dev_urandom=yes'
+fi