kwin: update to 5.20.0

[ci skip]

srcpkgs/kwin/patches/musl.patch

@@ -0,0 +1,10 @@
+--- 3rdparty/xcursor.c	2020-09-19 14:34:54.765245866 +0200
++++ -	2020-09-19 14:35:18.599411888 +0200
+@@ -27,6 +27,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#define _GNU_SOURCE
+ #include <dirent.h>
+ 
+ /*

srcpkgs/kwin/template

@@ -1,7 +1,7 @@
 # Template file for 'kwin'
 pkgname=kwin
-version=5.19.5
-revision=2
+version=5.20.0
+revision=1
 build_style=cmake
 configure_args="-DBUILD_TESTING=OFF"
 hostmakedepends="extra-cmake-modules gettext breeze pkg-config"
@@ -9,14 +9,16 @@ makedepends="plasma-framework-devel kcmutils-devel knewstuff-devel
  kscreenlocker-devel kinit-devel xcb-util-cursor-devel qt5-multimedia-devel
  kdecoration-devel libxkbcommon-devel libinput-devel libSM-devel
  libICE-devel xcb-util-wm-devel qt5-sensors-devel libcap-devel
- kwayland-server-devel"
+ kwayland-server-devel $(vopt_if pipewire pipewire-devel)"
 depends="breeze hicolor-icon-theme kinit qt5-core>=5.15.1<5.15.2"
 short_desc="KDE Window manager"
 maintainer="John <me@johnnynator.dev>"
 license="GPL-2.0-or-later"
 homepage="https://invent.kde.org/plasma/kwin"
 distfiles="${KDE_SITE}/plasma/${version}/${pkgname}-${version}.tar.xz"
-checksum=36afa37b773d31c0bcb8f4e32fa1f06cc33e15ad00e729ba36f120bbe034903b
+checksum=b91d6101d0a303d42ce05c1a04d7e2e2b0c91ecde3153dac36b17e73cd1a9c96
+
+build_options="pipewire"
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" qt5-qmake qt5-host-tools kcoreaddons kconfig"