fix #include header style

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>

src/gui/tray/activitylistmodel.cpp

@@ -32,7 +32,7 @@
 #include <QWidget>
 #include <QJsonObject>
 #include <QJsonDocument>
-#include <qloggingcategory.h>
+#include <QLoggingCategory>
 
 namespace OCC {