release m_aLengthVector even when m_aBindVector is empty

Change-Id: Ia3bd53402d436e296005f4f93113cc08daea2421
diff --git a/connectivity/source/drivers/odbcbase/OResultSet.cxx b/connectivity/source/drivers/odbcbase/OResultSet.cxx
index a0542a8..0c5de7d 100644
--- a/connectivity/source/drivers/odbcbase/OResultSet.cxx
+++ b/connectivity/source/drivers/odbcbase/OResultSet.cxx
@@ -195,13 +195,12 @@ void OResultSet::disposing(void)
    OPropertySetHelper::disposing();

    ::osl::MutexGuard aGuard(m_aMutex);
    if(!m_aBindVector.empty())
        releaseBuffer();
    releaseBuffer();
    if(m_bFreeHandle)
        m_pStatement->getOwnConnection()->freeStatementHandle(m_aStatementHandle);

m_xStatement.clear();
m_xMetaData.clear();
    m_xStatement.clear();
    m_xMetaData.clear();
}
// -------------------------------------------------------------------------
SQLRETURN OResultSet::unbind(sal_Bool _bUnbindHandle)