main/spice-protocol: fix license expression

Most of the files are BSD-3-Clause, but there is at least one file that
is licensed under the LGPL-2.1-or-later license, so we need an AND
clause here. Without this patch, the license string is not a valid SPDX
expression.

main/spice-protocol/APKBUILD

@@ -2,11 +2,11 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=spice-protocol
 pkgver=0.14.4
-pkgrel=0
+pkgrel=1
 pkgdesc="Spice protocol header files"
 url="http://www.spice-space.org/"
 arch="noarch"
-license="BSD-3-Clause LGPL-2.1-or-later"
+license="BSD-3-Clause AND LGPL-2.1-or-later"
 options="!check" # No test suite
 makedepends="meson"
 source="https://www.spice-space.org/download/releases/spice-protocol-$pkgver.tar.xz"