fix compiler warning:
fix compiler warning:

In file included from util/odt/odtwriter.cpp:6:0:
util/odt/odtwriter.h: In constructor ‘ODTWriter::ODTWriter(const QTextDocument&, const QString&)’:
util/odt/odtwriter.h:72:26: warning: ‘ODTWriter::document’ will be initialized after [-Wreorder]
     const QTextDocument &document;
                          ^
util/odt/odtwriter.h:61:22: warning:   ‘QXmlStreamWriter ODTWriter::manifestWriter’ [-Wreorder]
     QXmlStreamWriter manifestWriter;
                      ^
util/odt/odtwriter.cpp:39:1: warning:   when initialized here [-Wreorder]
 ODTWriter::ODTWriter(const QTextDocument &document, const QString &fileName):

proudzhu/MdCharm,proudzhu/MdCharm,proudzhu/MdCharm,proudzhu/MdCharm,proudzhu/MdCharm,proudzhu/MdCharm