fix evoab2 build

after
    commit d425658bd9fd8e315e4931afb544bc845da0360e
    Date:   Wed Dec 19 16:10:51 2018 +0200
    pass OSQLParseNode around by unique_ptr

Change-Id: I3b2a294b1157527e3ade32493f319a6959839773
diff --git a/connectivity/source/drivers/evoab2/NStatement.cxx b/connectivity/source/drivers/evoab2/NStatement.cxx
index 57f9185..b2c5fdb 100644
--- a/connectivity/source/drivers/evoab2/NStatement.cxx
+++ b/connectivity/source/drivers/evoab2/NStatement.cxx
@@ -442,7 +442,7 @@ void OCommonStatement::parseSql( const OUString& sql, QueryData& _out_rQueryData
    _out_rQueryData.eFilterType = eFilterOther;

    OUString aErr;
    m_pParseTree = m_aParser.parseTree( aErr, sql );
    m_pParseTree = m_aParser.parseTree( aErr, sql ).release();
    m_aSQLIterator.setParseTree( m_pParseTree );
    m_aSQLIterator.traverseAll();