pam_zfscrypt: revbump for zfs, change upstream repo

The origninal repo for pam_zfscrypt has disappeared from the Internet,
but Project Trident, the Void derivative that uses this module, now
maintains a fork.

Thanks to @ericonr for cracking the necessary CFLAGS to make this work.

srcpkgs/pam_zfscrypt/template

@@ -1,24 +1,25 @@
 # Template file for 'pam_zfscrypt'
 pkgname=pam_zfscrypt
 version=0.2.0
-revision=1
+revision=2
 wrksrc="zfscrypt-${version}"
 build_style=gnu-makefile
-make_use_env=yes
 makedepends="pam-devel zfs-devel"
 depends="pam"
 short_desc="Automatically decrypt and mount encrypted ZFS home directories"
 maintainer="Zach Dykstra <dykstra.zachary@gmail.com>"
 license="MIT"
-homepage="https://github.com/BenKerry/zfscrypt"
-distfiles="https://github.com/BenKerry/zfscrypt/archive/v${version}.tar.gz"
+homepage="https://github.com/project-trident/zfscrypt"
+distfiles="${homepage}/archive/v${version}.tar.gz"
 checksum=73244e7e97ab5a47a9ea4a24ac490f07bfe7c1eb0c920e03df202494ea61b650
 
-CFLAGS="-Iinclude"
+CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -fPIC -Iinclude"
 
-pre_build() {
-	vsed -e "/ZFSINC :=/s,-isystem/usr/include,-I${XBPS_CROSS_BASE}/usr/include,g" \
-	  -i Makefile
+post_patch() {
+	if [ "${CROSS_BUILD}" ]; then
+		vsed -i Makefile \
+			-e "/ZFSINC :=/s,-isystem/usr/,-I${XBPS_CROSS_BASE}/usr/,g"
+	fi
 }
 
 do_install() {