[PATCH 0/1] MR9790: riched20: Don't crash on WM_COPY without selection.

[eric pouech (＠epo)]

Note: actual crash happens within ME_StreamOutRTF, which
do/while loop expects a non-zero length to be used.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59005

Signed-off-by: Eric Pouech <[e-mail]>

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9790