gnu: libxslt: Update to 1.1.29.

* gnu/packages/patches/libxslt-CVE-2015-7995.patch,
gnu/packages/patches/libxslt-remove-date-timestamps.patch: Delete files.
* gnu/packages/xml.scm: Update to 1.1.29.
[source]: Remove patches.

gnu/packages/patches/libxslt-CVE-2015-7995.patch

@@ -1,29 +0,0 @@
-From 7ca19df892ca22d9314e95d59ce2abdeff46b617 Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Thu, 29 Oct 2015 19:33:23 +0800
-Subject: [PATCH] Fix for type confusion in preprocessing attributes
-
-CVE-2015-7995 http://www.openwall.com/lists/oss-security/2015/10/27/10
-We need to check that the parent node is an element before dereferencing
-its namespace
----
- libxslt/preproc.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/libxslt/preproc.c b/libxslt/preproc.c
-index 0eb80a0..7f69325 100644
---- a/libxslt/preproc.c
-+++ b/libxslt/preproc.c
-@@ -2249,7 +2249,8 @@ xsltStylePreCompute(xsltStylesheetPtr style, xmlNodePtr inst) {
- 	} else if (IS_XSLT_NAME(inst, "attribute")) {
- 	    xmlNodePtr parent = inst->parent;
- 
--	    if ((parent == NULL) || (parent->ns == NULL) ||
-+	    if ((parent == NULL) ||
-+	        (parent->type != XML_ELEMENT_NODE) || (parent->ns == NULL) ||
- 		((parent->ns != inst->ns) &&
- 		 (!xmlStrEqual(parent->ns->href, inst->ns->href))) ||
- 		(!xmlStrEqual(parent->name, BAD_CAST "attribute-set"))) {
--- 
-2.6.3
-

gnu/packages/patches/libxslt-remove-date-timestamps.patch

@@ -1,66 +0,0 @@
-Use deterministic SOURCE_DATE_EPOCH for embedded timestamps in generated documentation.
-
-Written by Eduard Sanou.
-
-https://bugzilla.gnome.org/show_bug.cgi?id=758148
-
---- libxslt-1.1.28.orig/libexslt/date.c
-+++ libxslt-1.1.28/libexslt/date.c
-@@ -46,6 +46,7 @@
- #include "exslt.h"
- 
- #include <string.h>
-+#include <errno.h>
- 
- #ifdef HAVE_MATH_H
- #include <math.h>
-@@ -747,21 +748,46 @@ static exsltDateValPtr
- exsltDateCurrent (void)
- {
-     struct tm localTm, gmTm;
-+    struct tm *tb = NULL;
-     time_t secs;
-     int local_s, gm_s;
-     exsltDateValPtr ret;
-+    char *source_date_epoch;
- 
-     ret = exsltDateCreateDate(XS_DATETIME);
-     if (ret == NULL)
-         return NULL;
- 
--    /* get current time */
-     secs    = time(NULL);
-+    /*
-+     * Allow the date and time to be set externally by an exported
-+     * environment variable to enable reproducible builds.
-+     */
-+    source_date_epoch = getenv("SOURCE_DATE_EPOCH");
-+    if (source_date_epoch) {
-+	errno = 0;
-+	secs = (time_t) strtol (source_date_epoch, NULL, 10);
-+	if (errno == 0) {
-+	    tb = gmtime(&secs);
-+	    if (tb == NULL) {
-+	    /* SOURCE_DATE_EPOCH is not a valid date */
-+		return NULL;
-+	    } else {
-+		localTm = *tb;
-+	    }
-+	} else {
-+	    /* SOURCE_DATE_EPOCH is not a valid number */
-+	    return NULL;
-+	}
-+    } else {
-+	/* get current time */
- #if HAVE_LOCALTIME_R
--    localtime_r(&secs, &localTm);
-+	localtime_r(&secs, &localTm);
- #else
--    localTm = *localtime(&secs);
-+	localTm = *localtime(&secs);
- #endif
-+    }
-+
- 
-     /* get real year, not years since 1900 */
-     ret->value.date.year = localTm.tm_year + 1900;

gnu/packages/xml.scm

@@ -130,17 +130,15 @@ (define-public python2-libxml2
 (define-public libxslt
   (package
     (name "libxslt")
-    (version "1.1.28")
+    (version "1.1.29")
     (source (origin
              (method url-fetch)
              (uri (string-append "ftp://xmlsoft.org/libxslt/libxslt-"
                                  version ".tar.gz"))
              (sha256
               (base32
-               "13029baw9kkyjgr7q3jccw2mz38amq7mmpr5p3bh775qawd1bisz"))
-             (patches (search-patches "libxslt-generated-ids.patch"
-                                      "libxslt-remove-date-timestamps.patch"
-                                      "libxslt-CVE-2015-7995.patch"))))
+               "1klh81xbm9ppzgqk339097i39b7fnpmlj8lzn8bpczl3aww6x5xm"))
+             (patches (search-patches "libxslt-generated-ids.patch"))))
     (build-system gnu-build-system)
     (home-page "http://xmlsoft.org/XSLT/index.html")
     (synopsis "C library for applying XSLT stylesheets to XML documents")