Allow use of ca_path in ldap module

manifests/module/ldap.pp

@@ -48,6 +48,7 @@ define freeradius::module::ldap (
   String $ldap_debug                                                  = '0x0028',
   Freeradius::Boolean $starttls                                       = 'no',
   Optional[String] $cafile                                            = undef,
+  Optional[String] $capath                                            = undef,
   Optional[String] $certfile                                          = undef,
   Optional[String] $keyfile                                           = undef,
   Optional[String] $random_file                                       = undef,

templates/ldap.erb

@@ -575,7 +575,9 @@ ldap <%= @name %> {
 <% if @cafile -%>
 		ca_file = <%= @cafile %>
 <% end -%>
-#               ca_path = ${certdir}
+<% if @capath -%>
+		ca_path = <%= @capath %>
+<% end -%>
 <% if @certfile -%>
 		certificate_file = <%= @certfile %>
 <% end -%>