litecoin: update to 0.8.7.1.

srcpkgs/litecoin/template

@@ -1,6 +1,6 @@
 # Template file for 'litecoin'
 pkgname=litecoin
-version=0.8.5.1
+version=0.8.7.1
 revision=1
 wrksrc="${pkgname}-${version}"
 hostmakedepends="which"
@@ -9,6 +9,7 @@ short_desc="Peer-to-peer Internet currency based on scrypt cryptography"
 maintainer="pancake <pancake@nopcode.org>"
 license="MIT"
 homepage="http://www.litecoin.org/"
+only_for_archs="i686 x86_64"
 
 do_fetch() {
 	git clone -b v${version} git://github.com/litecoin-project/litecoin.git ${pkgname}-${version}