rail: server: mark rail_send_pdu as static function
@@ -60,7 +60,7 @@ static UINT rail_send(RailServerContext* context, wStream* s, ULONG length)
*
* @return 0 on success, otherwise a Win32 error code
*/
-UINT rail_send_pdu(RailServerContext* context, wStream* s, UINT16 orderType)
+static UINT rail_send_pdu(RailServerContext* context, wStream* s, UINT16 orderType)
{
UINT16 orderLength;
