[network-manager-openconnect] Update nm-vpn-plugin-macros.h

[dwmw2 <dwmw2 src gnome org>]

commit 67fcc780d31aa09d8c3dd71afccdb6cf537bfa25
Author: David Woodhouse <David Woodhouse intel com>
Date:   Wed Jul 6 12:58:10 2016 +0100

    Update nm-vpn-plugin-macros.h

 shared/nm-utils/nm-vpn-plugin-macros.h |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/shared/nm-utils/nm-vpn-plugin-macros.h b/shared/nm-utils/nm-vpn-plugin-macros.h
index d685934..f67a061 100644
--- a/shared/nm-utils/nm-vpn-plugin-macros.h
+++ b/shared/nm-utils/nm-vpn-plugin-macros.h
@@ -39,5 +39,23 @@ nm_utils_syslog_to_str (int syslog_level)
        return "<error>";
 }
 
+/*****************************************************************************/
+
+/* possibly missing defines from newer libnm API. */
+
+#ifndef NM_VPN_PLUGIN_CONFIG_PROXY_PAC
+#define NM_VPN_PLUGIN_CONFIG_PROXY_PAC   "pac"
+#endif
+
+#ifndef NM_VPN_PLUGIN_IP4_CONFIG_PRESERVE_ROUTES
+#define NM_VPN_PLUGIN_IP4_CONFIG_PRESERVE_ROUTES "preserve-routes"
+#endif
+
+#ifndef NM_VPN_PLUGIN_IP6_CONFIG_PRESERVE_ROUTES
+#define NM_VPN_PLUGIN_IP6_CONFIG_PRESERVE_ROUTES "preserve-routes"
+#endif
+
+/*****************************************************************************/
+
 #endif /* __NM_VPN_PLUGIN_MACROS_H__ */