tdf#112689: replace OUStringBuffer with OUString in one file

Change-Id: I7fc32ad2bcbff4cd8bedea9bed49a0f4748ebe0f
Reviewed-on: https://gerrit.libreoffice.org/70392
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx b/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx
old mode 100644
new mode 100755
index ba8c36d..49873f8
--- a/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx
+++ b/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx
@@ -197,13 +197,10 @@
    auto nColCount = m_fields.size();
    if (columnIndex < 1 || columnIndex > static_cast<sal_Int32>(nColCount))
    {
        OUStringBuffer buf;
        buf.append("Column index out of range (expected 1 to ");
        buf.append(sal_Int32(nColCount));
        buf.append(", got ");
        buf.append(columnIndex);
        buf.append('.');
        throw SQLException(buf.makeStringAndClear(), *this, OUString(), 1, Any());
        OUString str = "Column index out of range (expected 1 to "
                       + OUString::number(sal_Int32(nColCount)) + ", got "
                       + OUString::number(columnIndex) + ".";
        throw SQLException(str, *this, OUString(), 1, Any());
    }
}