main/pmacct: use relative symlink

main/pmacct/APKBUILD

 # Maintainer: Leonardo Arena <rnalrd@alpinelinux.org>
 pkgname=pmacct
 pkgver=1.7.8
-pkgrel=1
+pkgrel=2
 pkgdesc="Measure, account, classify, aggregate and export IPv4 and IPv6 traffic"
 url="http://www.pmacct.net/"
 arch="all"
@@ -70,9 +70,9 @@ package() {
 	install -m644 -D "$srcdir"/nfacctd.conf "$pkgdir"/etc/nfacctd.conf
 	install -m644 -D "$srcdir"/sfacctd.conf "$pkgdir"/etc/sfacctd.conf
 	install -m644 -D "$srcdir"/uacctd.conf "$pkgdir"/etc/uacctd.conf
-	ln -s /etc/init.d/pmacctd "$pkgdir"/etc/init.d/nfacctd
-	ln -s /etc/init.d/pmacctd "$pkgdir"/etc/init.d/sfacctd
-	ln -s /etc/init.d/pmacctd "$pkgdir"/etc/init.d/uacctd
+	ln -s pmacctd "$pkgdir"/etc/init.d/nfacctd
+	ln -s pmacctd "$pkgdir"/etc/init.d/sfacctd
+	ln -s pmacctd "$pkgdir"/etc/init.d/uacctd
 	mkdir -p "$pkgdir"/usr/share/doc/pmacct/sql
 	cp sql/README.* "$pkgdir"/usr/share/doc/pmacct
 	cp sql/* "$pkgdir"/usr/share/doc/pmacct/sql