[PATCH 0/1] MR2509: include: Fix c++ compiler error with msxml2.idl.

[Biswapriyo Nath (＠Biswa96)]

include: Fix c++ compiler error with msxml2.idl

This moves ISAXXMLFilter declaration after its base class ISAXXMLReader.
    Otherwise the following error is shown in C++ mode

$ wineg++ test-msxml2.cpp
    In file included from test-msxml2.cpp:1:
    /usr/include/wine/windows/msxml2.h:16199:24: error: invalid use of incomplete type ‘struct ISAXXMLReader’
    16199 | ISAXXMLFilter : public ISAXXMLReader
    |                        ^~~~~~~~~~~~~
    /usr/include/wine/windows/msxml2.h:644:19: note: forward declaration of ‘struct ISAXXMLReader’
    644 | typedef interface ISAXXMLReader ISAXXMLReader;
    |                   ^~~~~~~~~~~~~
    winegcc: /usr/bin/g++ failed

Signed-off-by: Biswapriyo Nath