package/nghttp2: security bump to version 1.39.2

Fixes the following security issues:

CVE-2019-9511: Data Dribble
CVE-2019-9513: Resource Loop

For details, see the advisory:
https://nghttp2.org/blog/2019/08/19/nghttp2-v1-39-2/

Notice that libnghttp2 itself is not affected by these vulnerabilities, only
nghttpx and nghttpd (which are currently not built).

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 4c7e7acbe4390f4327acb5e82696951c01b91ab4)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nghttp2/nghttp2.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 760981ab5703d3ed185eccb322321d379453974357a3263971a928c2879a43bf  nghttp2-1.37.0.tar.gz
+sha256 fc820a305e2f410fade1a3260f09229f15c0494fc089b0100312cd64a33a38c0  nghttp2-1.39.2.tar.gz
 sha256 6b94f3abc1aabd0c72a7c7d92a77f79dda7c8a0cb3df839a97890b4116a2de2a  COPYING

package/nghttp2/nghttp2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-NGHTTP2_VERSION = 1.37.0
+NGHTTP2_VERSION = 1.39.2
 NGHTTP2_SITE = https://github.com/nghttp2/nghttp2/releases/download/v$(NGHTTP2_VERSION)
 NGHTTP2_LICENSE = MIT
 NGHTTP2_LICENSE_FILES = COPYING