samba: link cups smb backend

Create new subpackage samba-cups, with a symlink from /usr/bin/smbpool
to /usr/lib/cups/backend/smb - allows cups to use smb to find Windows
printers.

srcpkgs/samba-cups

@@ -0,0 +1 @@
+samba

srcpkgs/samba/template

@@ -83,6 +83,10 @@ post_install() {
 	# Install pkg-config files.
 	vmkdir usr/lib/pkgconfig
 	install -m644 source3/pkgconfig/*.pc ${DESTDIR}/usr/lib/pkgconfig
+
+	# Link cups backend
+	vmkdir usr/lib/cups/backend
+	ln -s /usr/bin/smbspool ${DESTDIR}/usr/lib/cups/backend/smb
 }
 
 smbclient_package() {
@@ -119,3 +123,11 @@ samba-devel_package() {
 		vmove usr/lib/libsmbclient.so
 	}
 }
+
+samba-cups_package() {
+	depends="${sourcepkg}-${version}_${revision}"
+	short_desc="SMB backend for cups"
+	pkg_install() {
+		vmove usr/lib/cups/backend/smb
+	}
+}