move Core::EditorManager::OpenEditorFlags operators into a suitable

namespace

src/plugins/coreplugin/editormanager/editormanager.h

@@ -244,10 +244,14 @@ private:
     friend class Core::Internal::EditorView;
 };
 
-Q_DECLARE_OPERATORS_FOR_FLAGS(EditorManager::OpenEditorFlags);
+} // namespace Core
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(Core::EditorManager::OpenEditorFlags);
+
 
 //===================EditorClosingCoreListener======================
 
+namespace Core {
 namespace Internal {
 
 class EditorClosingCoreListener : public ICoreListener

src/plugins/coreplugin/editormanager/openeditorsview.cpp

@@ -83,7 +83,7 @@ void OpenEditorsDelegate::paint(QPainter *painter, const QStyleOptionViewItem &o
                        option.rect.height(),
                        option.rect.height());
 
-        icon.paint(painter, iconRect, Qt::Alignment(Qt::AlignRight | Qt::AlignVCenter));
+        icon.paint(painter, iconRect, Qt::AlignRight | Qt::AlignVCenter);
     }
 
 }