vnstat: fix cross build; add configuration file.

srcpkgs/vnstat/template

@@ -1,11 +1,16 @@
 # Template build file for "vnstat".
 pkgname=vnstat
 version=1.11
-revision=1
+revision=2
+conf_files="/etc/vnstat.conf"
 build_style=gnu-makefile
-short_desc="vnstat - a terminal based network traffic monitor"
+short_desc="A terminal based network traffic monitor"
 maintainer="Jan S. <jan.schreib@gmail.com>"
 homepage="http://humdi.net/vnstat/"
 license="GPL-2"
 distfiles="http://humdi.net/vnstat/${pkgname}-${version}.tar.gz"
 checksum=b71876d817bbb6a16d31b4236e22a2eb6c39666a7f7bfea581f5ff441cade026
+
+pre_install() {
+	sed -e 's,install -s,install ,g' -i Makefile
+}