Add [[maybe_unused]] to silence unhelpful warnings

handlers/handlerpageedit.cpp

@@ -23,7 +23,7 @@ SOFTWARE.
 #include "../request.h"
 
 #include "../parser.h"
-bool HandlerPageEdit::canAccess(std::string page)
+bool HandlerPageEdit::canAccess([[maybe_unused]] std::string page)
 {
 	return this->userSession->user.permissions.canEdit();
 }