[glom] C++11: LayoutFieldInRecord: =delete the copy/move operations.

[Murray Cumming <murrayc src gnome org>]

commit b07fcedf4d19aac14ecc056ba1e7e377a6f8ec29
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Sep 7 15:27:06 2015 +0200

    C++11: LayoutFieldInRecord: =delete the copy/move operations.

 glom/base_db.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/glom/base_db.h b/glom/base_db.h
index 3f2268c..ccbe057 100644
--- a/glom/base_db.h
+++ b/glom/base_db.h
@@ -197,6 +197,12 @@ protected:
       m_key = parent_key;
     }
 
+    LayoutFieldInRecord(const LayoutFieldInRecord& src) = delete;
+    LayoutFieldInRecord& operator=(const LayoutFieldInRecord& src) = delete;
+
+    LayoutFieldInRecord(LayoutFieldInRecord&& src) = delete;
+    LayoutFieldInRecord& operator=(LayoutFieldInRecord&& src) = delete;
+
     FieldInRecord get_fieldinrecord(const Document& document) const
     {
       return FieldInRecord(m_field, m_table_name, m_key, m_key_value, document);