main/lighttpd: add lighttpd to www-data group

and make sure www-data is created on upgrade

ref #2245

main/lighttpd/APKBUILD

@@ -2,12 +2,12 @@
 pkgname=lighttpd
 pkgver=1.4.33
 _streamver=2.2.0
-pkgrel=1
+pkgrel=2
 pkgdesc="a secure, fast, compliant and very flexible web-server"
 url="http://www.lighttpd.net/"
 arch="all"
 license="custom"
-install="$pkgname.pre-install"
+install="$pkgname.pre-install $pkgname.pre-upgrade"
 depends=
 pkgusers="lighttpd"
 pkggroups="lighttpd"

main/lighttpd/lighttpd.pre-install

@@ -1,4 +1,7 @@
 #!/bin/sh
 
+addgroup -g 82 -S www-data 2>/dev/null
 adduser -H -h /var/www/localhost/htdocs -s /sbin/nologin -D lighttpd 2>/dev/null
+addgroup lighttpd www-data 2>/dev/null
+
 exit 0

main/lighttpd/lighttpd.pre-upgrade

@@ -0,0 +1 @@
+lighttpd.pre-install