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

[Stephan Witt]

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$s"),
+		qstring_to_ucs4(QSysInfo::prettyProductName())));
+	if (plain)
+		out << '\n';
+	else
+		out << "</p><p>";
 	out << toqstr(bformat(_("Python detected: %1$s"), from_utf8(os::python())));
 	if (!plain)
 		out << toqstr("</p></body></html>");