libcurl: security bump to version 7.62.0

Fixes the following security issues:

CVE-2018-16839: SASL password overflow via integer overflow
https://curl.haxx.se/docs/CVE-2018-16839.html

CVE-2018-16840: use-after-free in handle close
https://curl.haxx.se/docs/CVE-2018-16840.html

CVE-2018-16842: warning message out-of-buffer read
https://curl.haxx.se/docs/CVE-2018-16842.html

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libcurl/libcurl.hash

@@ -1,5 +1,5 @@
 # Locally calculated after checking pgp signature
-# https://curl.haxx.se/download/curl-7.61.1.tar.xz.asc
+# https://curl.haxx.se/download/curl-7.62.0.tar.xz.asc
 # with key 27EDEAF22F3ABCEB50DB9A125CC908FDB71E12C2
-sha256 3d5913d6a39bd22e68e34dff697fd6e4c3c81563f580c76fca2009315cd81891  curl-7.61.1.tar.xz
+sha256 dab5643a5fe775ae92570b9f3df6b0ef4bc2a827a959361fb130c73b721275c1  curl-7.62.0.tar.xz
 sha256 5f3849ec38ddb927e79f514bf948890c41b8d1407286a49609b8fb1585931095  COPYING

package/libcurl/libcurl.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBCURL_VERSION = 7.61.1
+LIBCURL_VERSION = 7.62.0
 LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.xz
 LIBCURL_SITE = https://curl.haxx.se/download
 LIBCURL_DEPENDENCIES = host-pkgconf \