kadu: revbump for qxmpp-1.2.0

Also fix homepage and distfile (kadu.im is down).

srcpkgs/kadu/template

@@ -1,7 +1,7 @@
 # Template file for 'kadu'
 pkgname=kadu
 version=4.3
-revision=3
+revision=4
 build_style=cmake
 configure_args="-DCMAKE_PREFIX_PATH=${XBPS_CROSS_BASE}/usr
  -DX11_INCLUDE_DIR=${XBPS_CROSS_BASE}/usr/include
@@ -26,8 +26,8 @@ depends="${pkgname}-data-${version}_${revision} hicolor-icon-theme qca-qt5-ossl
 short_desc="Instant Messenger client"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="GPL-2.0-or-later, GPL-3.0-or-later, LGPL-2.1-or-later"
-homepage="http://www.kadu.im/"
-distfiles="http://download.kadu.im/stable/${pkgname}-${version}.tar.bz2"
+homepage="https://sourceforge.net/projects/kadu/"
+distfiles="${SOURCEFORGE_SITE}/kadu/${version}/kadu-${version}.tar.bz2"
 checksum=ad5d1cbb908c3cd07f2955d343d44b993cd5639427a48a2912441955cfd2bd6e
 
 build_options="mysql odbc pgsql sqlite tds"