libcurl: bump version to 7.54.0 (security)

Security fixes:
 - CVE-2017-7468: switch off SSL session id when client cert is used

Full changelog: https://curl.haxx.se/changes.html

Removing 0001-CVE-2017-7407.patch. It's included in this release:
  1890d59905

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libcurl/0001-CVE-2017-7407.patch

@@ -1,61 +0,0 @@
-From 6019f1795b4e3b72507b84b0e02dc8c32024f562 Mon Sep 17 00:00:00 2001
-From: Dan Fandrich <dan@coneharvesters.com>
-Date: Sat, 11 Mar 2017 10:59:34 +0100
-Subject: [PATCH] CVE-2017-7407: fixed
-
-Bug: https://curl.haxx.se/docs/adv_20170403.html
-
-Reported-by: Brian Carpenter
-[baruch: remove tests]
-Signed-off-by: Baruch Siach <baruch@tkos.co.il>
----
-Patch status: based on upstream suggested patch[1] that combines commits
-1890d59905414ab and 8e65877870c1.
-
-[1] https://curl.haxx.se/CVE-2017-7407.patch
-
-diff --git a/src/tool_writeout.c b/src/tool_writeout.c
-index 2fb77742a..5d92bd278 100644
---- a/src/tool_writeout.c
-+++ b/src/tool_writeout.c
-@@ -3,11 +3,11 @@
-  *  Project                     ___| | | |  _ \| |
-  *                             / __| | | | |_) | |
-  *                            | (__| |_| |  _ <| |___
-  *                             \___|\___/|_| \_\_____|
-  *
-- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
-+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
-  *
-  * This software is licensed as described in the file COPYING, which
-  * you should have received as part of this distribution. The terms
-  * are also available at https://curl.haxx.se/docs/copyright.html.
-  *
-@@ -111,11 +111,11 @@ void ourWriteOut(CURL *curl, struct OutStruct *outs, const char *writeinfo)
-   char *stringp = NULL;
-   long longinfo;
-   double doubleinfo;
- 
-   while(ptr && *ptr) {
--    if('%' == *ptr) {
-+    if('%' == *ptr && ptr[1]) {
-       if('%' == ptr[1]) {
-         /* an escaped %-letter */
-         fputc('%', stream);
-         ptr += 2;
-       }
-@@ -339,11 +339,11 @@ void ourWriteOut(CURL *curl, struct OutStruct *outs, const char *writeinfo)
-           fputc(ptr[1], stream);
-           ptr += 2;
-         }
-       }
-     }
--    else if('\\' == *ptr) {
-+    else if('\\' == *ptr && ptr[1]) {
-       switch(ptr[1]) {
-       case 'r':
-         fputc('\r', stream);
-         break;
-       case 'n':
--- 2.11.0
-

package/libcurl/libcurl.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256 1c7207c06d75e9136a944a2e0528337ce76f15b9ec9ae4bb30d703b59bf530e8  curl-7.53.1.tar.bz2
+sha256 f50ebaf43c507fa7cc32be4b8108fa8bbd0f5022e90794388f3c7694a302ff06  curl-7.54.0.tar.bz2

package/libcurl/libcurl.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBCURL_VERSION = 7.53.1
+LIBCURL_VERSION = 7.54.0
 LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.bz2
 LIBCURL_SITE = https://curl.haxx.se/download
 LIBCURL_DEPENDENCIES = host-pkgconf \