Revert "python-cffi: update to 1.16.0."

This update was never compatible with Python 2.

This reverts commit c6535b1314.

srcpkgs/python-cffi/template

@@ -1,18 +1,23 @@
 # Template file for 'python-cffi'
 pkgname=python-cffi
-version=1.16.0
-revision=1
+reverts="1.16.0_1"
+version=1.15.1
+revision=3
 build_style=python2-module
 hostmakedepends="python-setuptools libffi-devel"
 makedepends="python-devel libffi-devel"
 depends="python-pycparser"
 short_desc="C foreign function interface for Python2"
-maintainer="Andrew J. Hesford <ajh@sideband.org>"
+maintainer="Orphaned <orphan@voidlinux.org>"
 license="MIT"
 homepage="https://cffi.readthedocs.io/"
 changelog="https://cffi.readthedocs.io/en/latest/whatsnew.html"
 distfiles="${PYPI_SITE}/c/cffi/cffi-${version}.tar.gz"
-checksum=bcb3ef43e58665bbda2fb198698fcae6776483e0c4a631aa5647806c25e02cc0
+checksum=d400bfb9a37b1351253cb402671cea7e89bdecc294e8016a707f6d1d8ac934f9
+
+if [ "$XBPS_TARGET_LIBC" = "glibc" ]; then
+	makedepends+=" libxcrypt-devel"
+fi
 
 post_install() {
 	vlicense LICENSE