gnu: libxslt: Update to 1.1.30.

* gnu/packages/xml.scm (libxslt): Update to 1.1.30.
[sources]: Remove one patch.
* gnu/packages/patches/libxslt-CVE-2016-47738.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -801,7 +801,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libvpx-CVE-2016-2818.patch		\
   %D%/packages/patches/libxcb-python-3.5-compat.patch		\
   %D%/packages/patches/libxslt-generated-ids.patch		\
-  %D%/packages/patches/libxslt-CVE-2016-4738.patch		\
   %D%/packages/patches/libxt-guix-search-paths.patch		\
   %D%/packages/patches/libzip-CVE-2017-12858.patch		\
   %D%/packages/patches/lierolibre-check-unaligned-access.patch	\

gnu/packages/patches/libxslt-CVE-2016-4738.patch

@@ -1,39 +0,0 @@
-Fix CVE-2016-4738:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4738
-https://bugs.chromium.org/p/chromium/issues/detail?id=619006
-
-Patch copied from upstream source repository:
-https://git.gnome.org/browse/libxslt/commit/?id=eb1030de31165b68487f288308f9d1810fed6880
-
-From eb1030de31165b68487f288308f9d1810fed6880 Mon Sep 17 00:00:00 2001
-From: Nick Wellnhofer <wellnhofer@aevum.de>
-Date: Fri, 10 Jun 2016 14:23:58 +0200
-Subject: [PATCH] Fix heap overread in xsltFormatNumberConversion
-
-An empty decimal-separator could cause a heap overread. This can be
-exploited to leak a couple of bytes after the buffer that holds the
-pattern string.
-
-Found with afl-fuzz and ASan.
----
- libxslt/numbers.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/libxslt/numbers.c b/libxslt/numbers.c
-index d1549b4..e78c46b 100644
---- a/libxslt/numbers.c
-+++ b/libxslt/numbers.c
-@@ -1090,7 +1090,8 @@ xsltFormatNumberConversion(xsltDecimalFormatPtr self,
-     }
- 
-     /* We have finished the integer part, now work on fraction */
--    if (xsltUTF8Charcmp(the_format, self->decimalPoint) == 0) {
-+    if ( (*the_format != 0) &&
-+         (xsltUTF8Charcmp(the_format, self->decimalPoint) == 0) ) {
-         format_info.add_decimal = TRUE;
- 	the_format += xsltUTF8Size(the_format);	/* Skip over the decimal */
-     }
--- 
-2.10.2
-

gnu/packages/xml.scm

@@ -168,15 +168,14 @@ (define-public python2-libxml2
 (define-public libxslt
   (package
     (name "libxslt")
-    (version "1.1.29")
+    (version "1.1.30")
     (source (origin
              (method url-fetch)
              (uri (string-append "ftp://xmlsoft.org/libxslt/libxslt-"
                                  version ".tar.gz"))
-             (patches (search-patches "libxslt-CVE-2016-4738.patch"))
              (sha256
               (base32
-               "1klh81xbm9ppzgqk339097i39b7fnpmlj8lzn8bpczl3aww6x5xm"))
+               "1cxn21wi0wms3afhnlxwjm8iiykrk29bvckq6gc2d0yy2rhj6rds"))
              (patches (search-patches "libxslt-generated-ids.patch"))))
     (build-system gnu-build-system)
     (home-page "http://xmlsoft.org/XSLT/index.html")