HandlerFeedGenerator: Fix comparator condition

handlers/handlerfeedgenerator.cpp

@@ -11,7 +11,7 @@ std::vector<HandlerFeedGenerator::EntryRevisionPair> HandlerFeedGenerator::fetch
 	option.includeInvisible = false;
 	// option.limit = 20;
 	
-	auto comppage = [](const Page &a, const Page &b) { return a.name == b.name; };
+	auto comppage = [](const Page &a, const Page &b) { return a.name < b.name; };
 	std::set<Page, decltype(comppage)> members (comppage);
 	if(categories.empty())
 	{