main/chrony: add logrotate script

fixes #82

main/chrony/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=chrony
 pkgver=1.23
-pkgrel=2
+pkgrel=3
 pkgdesc="NTP client and server programs"
 url="http://chrony.sunsite.dk/"
 license="GPL-2"
-depends=
+depends="logrotate"
 makedepends="texinfo"
 subpackages="$pkgname-doc"
 source="http://chrony.sunsite.dk/download/$pkgname-$pkgver.tar.gz
@@ -16,6 +16,7 @@ source="http://chrony.sunsite.dk/download/$pkgname-$pkgver.tar.gz
 	$pkgname-1.23-reply-ip.diff
 	chronyd.confd
 	chronyd.initd
+	chrony.logrotate
 	chrony.conf
 	"
 
@@ -57,4 +58,5 @@ d47015a34b6b2f9eebca77ef939cec72  chrony-1.21-makefile.diff
 caa6589a1a1cd56f64957e312d1ef84c  chrony-1.23-reply-ip.diff
 d5c09be46226774d22c08c5a4c28093a  chronyd.confd
 dac8aa4913d7c323abfa1719ddd7e5e4  chronyd.initd
+468eaf2b5465d60b3ee021ce3f948ab1  chrony.logrotate
 46f42c52953d398ca44d6baa449618d7  chrony.conf"

main/chrony/chrony.logrotate

+/var/log/chrony/*.log
+	sharedscripts
+	postrotate
+        	PASSWORD=`awk '$1 ~ /^1$/ {print $2; exit}' /etc/chrony/chrony.keys`
+		cat << EOF | /usr/bin/chronyc | sed '/^200 OK$/d'
+		password $PASSWORD
+		cyclelogs
+		EOF
+	endscript
+}
+