[LyX/master] Add OS version info to About box.

[Pavel Sanda]

On Tue, Dec 06, 2022 at 11:12:37PM +0100, Stephan Witt wrote:
> commit a66ee4109ee84a4a501dbaa29580cdefe1aadd36
> Author: Stephan Witt <switt at lyx.org>
> Date:   Wed Dec 7 00:08:11 2022 +0100
> 
>     Add OS version info to About box.
> ---
>  src/frontends/qt/GuiAbout.cpp |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/src/frontends/qt/GuiAbout.cpp b/src/frontends/qt/GuiAbout.cpp
> index d4173fa..16f8be4 100644
> --- a/src/frontends/qt/GuiAbout.cpp
> +++ b/src/frontends/qt/GuiAbout.cpp
> @@ -294,6 +294,12 @@ static QString version(bool const plain = false)
>  		out << '\n';
>  	else
>  		out << "</p><p>";
> +	out << toqstr(bformat(_("OS Version (run-time): %1$s"),
> +		qstring_to_ucs4(QSysInfo::prettyProductName())));

This function was introduced in Qt 5.4. Until we agree on specific minor version
I'd put it within ifdefs...

Pavel