#56 Tango V5, Device2_Impl aand attribute config.

[Emmanuel Taurel]

In case of database server release 2.3 (or above), bug
in the
Database::get_device_attribute_property() and in
Database::get_class_attribute_property() : The size of
the returned DbData object (it's a vector) is not correct.

This generates instabilities (could even be core
dumped) when a process linked with V5 requests
attribute configuration to a device still implementing
Device_2Impl (not passed through Pogo) or create an
AttributeProxy object for an attribute belonging to a
Device_2Impl device.
Will be fixed in Tango 5.1

Workaround : Update device code to inherit from
Device_3Impl (using Pogo)

[Emmanuel Taurel]

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Fixed in TAngo 5.1