[LyX/master] Fix make rpmdist

[Pavel Sanda]

commit 493e7da9d0620c1038ac7deeb3044a655dd72ae4
Author: Pavel Sanda <sanda at lyx.org>
Date:   Thu Jul 27 00:45:01 2023 +0200

    Fix make rpmdist
    
    RPM build errors:
     Installed (but unpackaged) file(s) found:
     /usr/share/metainfo/org.lyx.LyX.metainfo.xml
---
 development/lyx.spec.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/development/lyx.spec.in b/development/lyx.spec.in
index b5333b2..9ee9555 100644
--- a/development/lyx.spec.in
+++ b/development/lyx.spec.in
@@ -90,3 +90,4 @@ texhash
 %{_datadir}/texmf/tex/latex/%{name}
 %{_datadir}/icons/*
 %{_datadir}/applications/*
+%{_datadir}/metainfo/*