Add [[maybe_unused]] to silence unhelpful warnings

handlers/handlerdefault.cpp

@@ -20,7 +20,7 @@ SOFTWARE.
 */
 #include "handlerdefault.h"
 
-Response HandlerDefault::handleRequest(const Request &r)
+Response HandlerDefault::handleRequest([[maybe_unused]] const Request &r)
 {
 	return Response::redirectTemporarily(this->urlProvider->index());
 }
@@ -29,7 +29,7 @@ HandlerDefault::~HandlerDefault()
 {
 }
 
-bool HandlerDefault::canAccess(const Permissions &perms)
+bool HandlerDefault::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return true;
 }