gnupg: update to 1.4.22.

Fixes CVE-2017-7526

srcpkgs/gnupg/template

@@ -1,7 +1,7 @@
 # Template file for 'gnupg'
 pkgname=gnupg
-version=1.4.21
-revision=2
+version=1.4.22
+revision=1
 build_style=gnu-configure
 configure_args="--enable-threads=posix --enable-noexecstack gnupg_cv_regex_broken=no"
 makedepends="bzip2-devel zlib-devel libldap-devel libcurl-devel readline-devel libusb-compat-devel"
@@ -10,4 +10,4 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="GPL-3"
 homepage="http://www.gnupg.org/"
 distfiles="ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-${version}.tar.bz2"
-checksum=6b47a3100c857dcab3c60e6152e56a997f2c7862c1b8b2b25adf3884a1ae2276
+checksum=9594a24bec63a21568424242e3f198b9d9828dea5ff0c335e47b06f835f930b4