gnu: libssh2: Update to 1.9.0.

* gnu/packages/patches/libssh2-fix-build-failure-with-gcrypt.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.
* gnu/packages/ssh.scm (libssh2): Update to 1.9.0.
[source](patches): Remove.

gnu/local.mk

@@ -1020,7 +1020,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libsndfile-CVE-2017-8361-8363-8365.patch	\
   %D%/packages/patches/libsndfile-CVE-2017-8362.patch		\
   %D%/packages/patches/libsndfile-CVE-2017-12562.patch		\
-  %D%/packages/patches/libssh2-fix-build-failure-with-gcrypt.patch	\
   %D%/packages/patches/libtar-CVE-2013-4420.patch 		\
   %D%/packages/patches/libtheora-config-guess.patch		\
   %D%/packages/patches/libtommath-fix-linkage.patch		\

gnu/packages/patches/libssh2-fix-build-failure-with-gcrypt.patch

@@ -1,33 +0,0 @@
-This fixes a regression introduced in 1.8.0 where libssh2 fails to build
-with the gcrypt backend.
-
-Upstream bug URL:
-
-https://github.com/libssh2/libssh2/issues/150
-
-Patch copied from upstream source repository:
-
-https://github.com/libssh2/libssh2/commit/ced924b78a40126606797ef57a74066eb3b4b83f
-
-From ced924b78a40126606797ef57a74066eb3b4b83f Mon Sep 17 00:00:00 2001
-From: Sergei Trofimovich <siarheit@google.com>
-Date: Mon, 31 Oct 2016 09:04:33 +0000
-Subject: [PATCH] acinclude.m4: fix ./configure --with-libgcrypt
-
-diff --git a/acinclude.m4 b/acinclude.m4
-index 734ef07..c78260c 100644
---- a/acinclude.m4
-+++ b/acinclude.m4
-@@ -412,9 +412,9 @@ AC_DEFUN([LIBSSH2_CHECKFOR_GCRYPT], [
- 
-   old_LDFLAGS=$LDFLAGS
-   old_CFLAGS=$CFLAGS
--  if test -n "$use_libgcrypt" && test "$use_libgcrypt" != "no"; then
--    LDFLAGS="$LDFLAGS -L$use_libgcrypt/lib"
--    CFLAGS="$CFLAGS -I$use_libgcrypt/include"
-+  if test -n "$with_libgcrypt_prefix" && test "$use_libgcrypt" != "no"; then
-+    LDFLAGS="$LDFLAGS -L$with_libgcrypt_prefix/lib"
-+    CFLAGS="$CFLAGS -I$with_libgcrypt_prefix/include"
-   fi
-   AC_LIB_HAVE_LINKFLAGS([gcrypt], [], [
-     #include <gcrypt.h>

gnu/packages/ssh.scm

@@ -111,7 +111,7 @@ applications.")
 (define-public libssh2
   (package
    (name "libssh2")
-   (version "1.8.2")
+   (version "1.9.0")
    (source (origin
             (method url-fetch)
             (uri (string-append
@@ -119,21 +119,13 @@ applications.")
                    version ".tar.gz"))
             (sha256
              (base32
-              "0rqd37pc80nm2pz4sa2m9pfc48axys7jwq1l7z0vii5nyvchg0q8"))
-            (patches
-             (search-patches "libssh2-fix-build-failure-with-gcrypt.patch"))))
+              "1zfsz9nldakfz61d2j70pk29zlmj7w2vv46s9l3x2prhcgaqpyym"))))
    (build-system gnu-build-system)
    ;; The installed libssh2.pc file does not include paths to libgcrypt and
    ;; zlib libraries, so we need to propagate the inputs.
    (propagated-inputs `(("libgcrypt" ,libgcrypt)
                         ("zlib" ,zlib)))
-   (arguments `(#:configure-flags `("--with-libgcrypt")
-                #:phases (modify-phases %standard-phases
-                           (replace 'bootstrap
-                             (lambda _
-                               (invoke "autoreconf" "-v"))))))
-   (native-inputs `(("autoconf" ,autoconf)
-                    ("automake" ,automake)))
+   (arguments `(#:configure-flags `("--with-libgcrypt")))
    (synopsis "Client-side C library implementing the SSH2 protocol")
    (description
     "libssh2 is a library intended to allow software developers access to