kvantum: update to 0.20.0.

Also:
- enable cross-compilation
- add changelog

srcpkgs/kvantum/template

@@ -1,20 +1,20 @@
 # Template file for 'kvantum'
 pkgname=kvantum
-version=0.19.0
+version=0.20.0
 revision=1
 wrksrc="Kvantum-${version}"
 build_wrksrc=Kvantum
 build_style=qmake
-hostmakedepends="qt5-tools qt5-qmake"
+hostmakedepends="qt5-tools qt5-qmake qt5-host-tools"
 makedepends="qt5-devel qt5-svg-devel qt5-x11extras-devel
  kwindowsystem-devel"
 short_desc="SVG-based theme engine for Qt4/Qt5, KDE and LXQt"
 maintainer="Giuseppe Fierro <gspe@ae-design.ws>"
 license="GPL-3.0-or-later"
 homepage="https://github.com/tsujan/Kvantum"
+changelog="https://raw.githubusercontent.com/tsujan/Kvantum/master/Kvantum/ChangeLog"
 distfiles="https://github.com/tsujan/Kvantum/archive/V${version}.tar.gz"
-checksum=de5ce3229f9d61e9d10dd8070206a0418ca64a96cde9d38c3481a219a917fe8e
-nocross="https://build.voidlinux.org/builders/aarch64-musl_builder/builds/21436/steps/shell_3/logs/stdio"
+checksum=c740b6a7a68b0c7c577fea983d40d4ae4277e1fd0dc62e5449f6e599597510b5
 
 post_install() {
 	vdoc doc/Theme-Config.pdf