sci-electronics/dsview: fix build with GCC 13

Closes: https://bugs.gentoo.org/887877
Closes: https://bugs.gentoo.org/887913
Signed-off-by: Takuya Wakazono <pastalian46@gmail.com>

sci-electronics/dsview/dsview-9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2022 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -50,6 +50,11 @@ BDEPEND="
 	virtual/pkgconfig
 "
 
+PATCHES=(
+	# bug 887913
+	"${FILESDIR}/${PN}-1.3.0-fix-flags.patch"
+)
+
 src_configure() {
 	local mycmakeargs=(
 		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"