Replace QLatin1String("x") with QLatin1Char('x') where possible

Change-Id: I2f90c8ae7b5e968b9de882833f8661ab540a9232
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/classview/classviewtreeitemmodel.cpp

@@ -96,7 +96,7 @@ QVariant TreeItemModel::data(const QModelIndex &index, int role) const
             QString name(inf.name());
 
             if (!inf.type().isEmpty())
-                name += QLatin1String(" ") + inf.type();
+                name += QLatin1Char(' ') + inf.type();
 
             return name;
         }