Accepting request 855970 from home:marxin:branches:GNOME:Factory

- Enable LTO (boo#1133124) as gobject-introspection works fine with LTO.

OBS-URL: https://build.opensuse.org/request/show/855970
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/flatpak?expand=0&rev=124

flatpak.spec

@@ -146,7 +146,6 @@ more information.
 sed -i -e '1s,#!%{_bindir}/env python3,#!%{_bindir}/python3,' scripts/flatpak-*
 
 %build
-%define _lto_cflags %{nil}
 NOCONFIGURE=1 ./autogen.sh
 %configure \
 	--disable-silent-rules \