QMetaStringTable: disable copy and move

This class is an algorithm, and shouldn't be copied or moved.

Change-Id: I6f517f53a242dbfd61975ef885c358eef139a272
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/kernel/qmetaobjectbuilder_p.h

@@ -321,6 +321,7 @@ private:
 
 class Q_CORE_EXPORT QMetaStringTable
 {
+    Q_DISABLE_COPY_MOVE(QMetaStringTable)
 public:
     explicit QMetaStringTable(const QByteArray &className);