[glom] PyGlomRelated: Use unique_ptr::release() instead of get.

[Murray Cumming <murrayc src gnome org>]

commit dd4833a370856e4b28a8dd77bc2b385f68a379a3
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Feb 5 12:10:25 2016 +0100

    PyGlomRelated: Use unique_ptr::release() instead of get.
    
    To avoid a double delete.

 glom/libglom/python_embed/py_glom_related.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom/libglom/python_embed/py_glom_related.cc b/glom/libglom/python_embed/py_glom_related.cc
index 4d43def..236a9b6 100644
--- a/glom/libglom/python_embed/py_glom_related.cc
+++ b/glom/libglom/python_embed/py_glom_related.cc
@@ -89,7 +89,7 @@ boost::python::object PyGlomRelated::getitem(const boost::python::object& cppite
                 pyRelatedRecord->set_relationship(iterFind->second, from_key_value, record->m_document);
 
                 //Store it in the cache:
-                boost::python::object objectRelatedRecord(pyRelatedRecord.get());
+                boost::python::object objectRelatedRecord(pyRelatedRecord.release());
                 m_map_relatedrecords[key] = objectRelatedRecord;
 
                 return objectRelatedRecord;