main/cryptsetup: upgrade to 1.3.1 and cleanup

- switch to openssl backend
- move to /lib and /sbin (fixes #669)

main/cryptsetup/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=cryptsetup
-pkgver=1.3.0
+pkgver=1.3.1
 pkgrel=0
 pkgdesc="Userspace setup tool for transparent encryption of block devices using the Linux 2.6 cryptoapi"
 url="http://code.google.com/p/cryptsetup/"
 arch="all"
 license="GPL"
 depends=
-makedepends="lvm2-dev libgcrypt-dev popt-dev util-linux-ng-dev"
-subpackages="$pkgname-dev $pkgname-doc"
+makedepends="lvm2-dev openssl-dev popt-dev util-linux-ng-dev"
+subpackages="$pkgname-dev $pkgname-doc $pkgname-libs"
 source="http://$pkgname.googlecode.com/files/$pkgname-$pkgver.tar.bz2"
 
 build() {
 	cd "$srcdir"/$pkgname-$pkgver
 	./configure --prefix=/usr \
+		--libdir=/lib \
+		--sbindir=/sbin \
 		--disable-static \
+		--with-crypto_backend=openssl \
 		|| return 1
 	make || return 1
 }
@@ -23,4 +26,11 @@ package() {
 	cd "$srcdir"/$pkgname-$pkgver
 	make DESTDIR=$pkgdir install
 }
-md5sums="d2bc0fd59c1118ec3bfae099af38d333  cryptsetup-1.3.0.tar.bz2"
+
+libs() {
+	pkgdesc="Cryptsetup shared library"
+	mkdir -p "$subpkgdir"
+	mv "$pkgdir"/lib "$subpkgdir"/
+}
+
+md5sums="1f5b5a9d538e8a3c191fb7dd85b9b013  cryptsetup-1.3.1.tar.bz2"