sci-libs/qrupdate: filter LTO

We're already applying a Fortran workaround from GCC 10. No upstream activity
in several years.

Closes: https://bugs.gentoo.org/878989
Signed-off-by: Sam James <sam@gentoo.org>

sci-libs/qrupdate/qrupdate-1.1.2-r2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -25,6 +25,9 @@ PATCHES=(
 src_prepare() {
 	default
 
+	# bug #878989
+	filter-lto
+
 	# GCC 10 workaround
 	# bug #741524
 	append-fflags $(test-flags-FC -fallow-argument-mismatch)