burp: Fix path to dh file.

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

burp/burp-server.conf.tmpl

@@ -96,7 +96,7 @@ ssl_cert = /etc/ssl/certs/{{ fqdn }}.cert.pem
 ssl_key = /etc/ssl/private/{{ fqdn }}.key.pem
 
 # Server DH file.
-ssl_dhfile = /etc/burp/dhfile.pem
+ssl_dhfile = /etc/ssl/dhparam.pem
 
 # Server SSL ciphers
 #ssl_ciphers =