Fix contructors.

src/services/abstract/feed.cpp

@@ -35,6 +35,7 @@ Feed::Feed(RootItem* parent)
   m_totalCount(0), m_unreadCount(0) {
   setKind(RootItemKind::Feed);
   setAutoDelete(false);
+
 }
 
 Feed::Feed(const Feed& other) : RootItem(other) {

src/services/standard/standardcategory.cpp

@@ -35,7 +35,7 @@
 StandardCategory::StandardCategory(RootItem* parent_item) : Category(parent_item) {}
 
 StandardCategory::StandardCategory(const StandardCategory& other)
-  : Category(nullptr) {
+  : StandardCategory(nullptr) {
   setId(other.id());
   setCustomId(other.customId());
   setTitle(other.title());