Revert "tdf#88206 Change use of cppu::WeakImplHelper*"

this doesn't build, I think mysqlc is considered !LIBO_INTERNAL_ONLY
seeing as its an extension

This reverts commit 2d2a33934ecb952433a635ce5dab76cb2837b8a0.

Change-Id: I600b986632b90e482475628e09256ca5c2b0a6cf
diff --git a/mysqlc/source/mysqlc_resultsetmetadata.hxx b/mysqlc/source/mysqlc_resultsetmetadata.hxx
index 494c806..65ea730 100644
--- a/mysqlc/source/mysqlc_resultsetmetadata.hxx
+++ b/mysqlc/source/mysqlc_resultsetmetadata.hxx
@@ -24,7 +24,7 @@

#include <com/sun/star/sdbc/XResultSetMetaData.hpp>

#include <cppuhelper/implbase.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppconn/resultset_metadata.h>

namespace connectivity
@@ -36,7 +36,7 @@ namespace connectivity

        //************ Class: ResultSetMetaData

        typedef ::cppu::WeakImplHelper< css::sdbc::XResultSetMetaData> OResultSetMetaData_BASE;
        typedef ::cppu::WeakImplHelper1< css::sdbc::XResultSetMetaData> OResultSetMetaData_BASE;

        class OResultSetMetaData : public OResultSetMetaData_BASE
        {