use rtl::Reference in bib::OComponentListener

rather than manual acquire/release

Change-Id: Ib4b52fb4a85223f974e9905bc3d02eb839150030
diff --git a/extensions/source/bibliography/loadlisteneradapter.cxx b/extensions/source/bibliography/loadlisteneradapter.cxx
index d25c7f0..7b6f35a 100644
--- a/extensions/source/bibliography/loadlisteneradapter.cxx
+++ b/extensions/source/bibliography/loadlisteneradapter.cxx
@@ -32,31 +32,16 @@ namespace bib

    OComponentListener::~OComponentListener()
    {
        {
            ::osl::MutexGuard aGuard( m_rMutex );
            if ( m_pAdapter )
                m_pAdapter->dispose();
        }
        ::osl::MutexGuard aGuard( m_rMutex );
        if ( m_xAdapter.is() )
            m_xAdapter->dispose();
    }


    void OComponentListener::setAdapter( OComponentAdapterBase* pAdapter )
    {
        {
            ::osl::MutexGuard aGuard( m_rMutex );
            if ( m_pAdapter )
            {
                m_pAdapter->release();
                m_pAdapter = nullptr;
            }
        }

        if ( pAdapter )
        {
            ::osl::MutexGuard aGuard( m_rMutex );
            m_pAdapter = pAdapter;
            m_pAdapter->acquire();
        }
        ::osl::MutexGuard aGuard( m_rMutex );
        m_xAdapter = pAdapter;
    }

    OComponentAdapterBase::OComponentAdapterBase( const Reference< XComponent >& _rxComp )
diff --git a/extensions/source/bibliography/loadlisteneradapter.hxx b/extensions/source/bibliography/loadlisteneradapter.hxx
index 47458a67..d61756c 100644
--- a/extensions/source/bibliography/loadlisteneradapter.hxx
+++ b/extensions/source/bibliography/loadlisteneradapter.hxx
@@ -24,6 +24,7 @@
#include <com/sun/star/lang/XComponent.hpp>
#include <cppuhelper/implbase.hxx>
#include <com/sun/star/form/XLoadable.hpp>
#include <rtl/ref.hxx>


namespace bib
@@ -37,12 +38,11 @@ namespace bib
        friend class OComponentAdapterBase;

    private:
        OComponentAdapterBase*  m_pAdapter;
        ::osl::Mutex&           m_rMutex;
        rtl::Reference<OComponentAdapterBase>  m_xAdapter;
        ::osl::Mutex&                          m_rMutex;
    protected:
        explicit OComponentListener( ::osl::Mutex& _rMutex )
            :m_pAdapter( nullptr )
            ,m_rMutex( _rMutex )
            :m_rMutex( _rMutex )
        {
        }