system/cups: bump to 2.2.7 and enable PAM

system/cups/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=cups
-pkgver=2.2.5
+pkgver=2.2.7
 pkgrel=0
 pkgdesc="The CUPS Printing System"
 url="http://www.cups.org/"
@@ -12,7 +12,7 @@ subpackages="$pkgname-dev $pkgname-doc $pkgname-libs ipptool $pkgname-client
 	$pkgname-lang $pkgname-openrc"
 depends_dev="openssl-dev zlib-dev"
 makedepends="$depends_dev libpaper-dev dbus-dev libjpeg-turbo-dev linux-headers
-	gnutls-dev"
+	gnutls-dev linux-pam-dev"
 depends="cups-client poppler-utils openssl dbus"
 install="cups.pre-install"
 pkggroups="lp lpadmin"
@@ -128,7 +128,7 @@ _mv() {
 	done
 }
 
-sha512sums="5c824e74e2679de360ff1f95aa74013ca2d6a88d11d18041e7a5b51746c2a21bbc10da785791ea4e40d316167560982466789767018bd02676cf810ad0c3a5c9  cups-2.2.5-source.tar.gz
+sha512sums="780a6a484f38967ff678456ec7b532aa8445a9562663e4e4f6f7a24aac6ec9e8eae36459ee3c025dff053d59ad1d9ecfb823e8a832bae9d384db3d1a10d8860e  cups-2.2.7-source.tar.gz
 cf64211da59e79285f99d437c02fdd7db462855fb2920ec9563ba47bd8a9e5cbd10555094940ceedeb41ac805c4f0ddb9147481470112a11a76220d0298aef79  cups.logrotate
 2c2683f755a220166b3a1653fdd1a6daa9718c8f0bbdff2e2d5e61d1133306260d63a83d3ff41619b5cf84c4913fae5822b79553e2822858f38fa3613f4c7082  cupsd.initd
 7a8cd9ac33b0dd4627c72df4275db8ccd7cf8e201bce3833719b42f532f526bb347b842e3ea1ef0d61855b5c6e1088b5d20b68942f2c2c0acf504d8d9728efd3  cups-no-export-ssllibs.patch