[source] openvpn: add handling for capath and cafile

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/0ec48b883c5a0e9f8df5dbcbc63d1b1a0fa9eb18

commit 0ec48b883c5a0e9f8df5dbcbc63d1b1a0fa9eb18
Author: John Crispin <john at phrozen.org>
AuthorDate: Thu Oct 27 15:19:59 2016 +0200

    openvpn: add handling for capath and cafile
    
    Signed-off-by: John Crispin <john at phrozen.org>
---
 package/network/services/openvpn/files/openvpn.init | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/network/services/openvpn/files/openvpn.init b/package/network/services/openvpn/files/openvpn.init
index 6dac7b3..3833760 100644
--- a/package/network/services/openvpn/files/openvpn.init
+++ b/package/network/services/openvpn/files/openvpn.init
@@ -124,7 +124,7 @@ start_instance() {
 		socks_proxy status status_version syslog tcp_queue_limit tls_auth tls_version_min \
 		tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 		tun_mtu tun_mtu_extra txqueuelen user verb down push up \
-		verify_x509_name x509_username_field \
+		capath cafile verify_x509_name x509_username_field \
 		ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
 
 	openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"