Fixing WriterProxyData clear() method (#2810)
Fixing WriterProxyData clear() method (#2810)

Signed-off-by: Miguel Barro <114b89d3baff1e6155e15fb370bf1f6e911fc271@eprosima.com>
eProsima/Fast-DDS,eProsima/Fast-DDS,eProsima/Fast-DDS,eProsima/Fast-DDS,eProsima/Fast-DDS