Fix selection of system-wide CA store

--- dpi/https.c

+++ dpi/https.c

@@ -169,7 +169,7 @@ static void yes_ssl_support(void)

    /*FIXME - provide for sysconfdir variables and such*/

    if (exit_error == 0){

       if (SSL_CTX_load_verify_locations(

-         ssl_context, NULL, "/etc/ssl/certs/" ) == 0){

+         ssl_context, "/usr/share/ca-certificates/ca-bundle.crt", NULL ) == 0){

          MSG("Error opening system x509 certificate location\n");

          exit_error = 1;

       }