package/gnupg2: security bump to version 2.2.17

This release mitigates the effects of the denial-of-service attacks on
the keyserver network (CVE-2019-13050).

https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f
https://access.redhat.com/articles/4264021

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gnupg2/gnupg2.hash

@@ -1,7 +1,7 @@
-# From https://lists.gnupg.org/pipermail/gnupg-announce/2019q1/000434.html
-sha1 66ebc053e2d22f743673d3fbe54453774e4fac58  gnupg-2.2.13.tar.bz2
+# From https://lists.gnupg.org/pipermail/gnupg-announce/2019q3/000439.html
+sha1 12c1cee8871c03f0315fc8f27876364b75c95b12  gnupg-2.2.17.tar.bz2
 # Calculated based on the hash above and signature
-# https://gnupg.org/ftp/gcrypt/gnupg/gnupg-2.2.13.tar.bz2.sig
+# https://gnupg.org/ftp/gcrypt/gnupg/gnupg-2.2.17.tar.bz2.sig
 # using key D8692123C4065DEA5E0F3AB5249B39D24F25E3B6
-sha256 76c787a955f9e6e0ead47c9be700bfb9d454f955a7b7c7e697aa719bac7b11d8  gnupg-2.2.13.tar.bz2
+sha256 afa262868e39b651a2db4c071fba90415154243e83a830ca00516f9a807fd514  gnupg-2.2.17.tar.bz2
 sha256 bc2d6664f6276fa0a72d57633b3ae68dc7dcb677b71018bf08c8e93e509f1357  COPYING

package/gnupg2/gnupg2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GNUPG2_VERSION = 2.2.13
+GNUPG2_VERSION = 2.2.17
 GNUPG2_SOURCE = gnupg-$(GNUPG2_VERSION).tar.bz2
 GNUPG2_SITE = https://gnupg.org/ftp/gcrypt/gnupg
 GNUPG2_LICENSE = GPL-3.0+